|
Yongji Bridge of Chengyang |
|
|
Guangxi
|
|
|
Zippin Pippin, Bay Beach Amusement Park |
|
|
Green Bay, WI
|
|
|
Holborn Viaduct, London |
|
|
London
|
|
|
Menai Suspension Bridge |
|
|
Menai Bridge
|
|
|
Iron Post |
|
|
New Albin
|
|
|
Falkirk Wheel |
|
|
Falkirk
|
|
|
Ponte di Annibale, Rapallo |
|
|
Rapallo
|
|
|
Alata Bridge |
|
|
Tis Abay
|
|
|
Tour Vauban de Tatihou |
|
|
Saint-Vaast-la-Hougue, FR
|
|
|
Steel Pier, Atlantic City |
|
|
Atlantic City, NJ
|
|
|
Benjamin Franklin Bridge, Delaware River |
|
|
Philadelphia, PA
|
|
|
Benjamin Franklin Bridge, Delaware River |
|
|
Camden, NJ
|
|
|
Stadhuis van Mechelen |
|
|
Mechelen, BE
|
|
|
Harmar Historic District |
|
|
Marietta
|
|
|
Winooski Falls Mill District |
|
|
Winooski
|
|
|
SS NIAGARA (freighter) |
|
|
Erie
|
|
|
Warrior Ridge Dam and Hydroelectric Plant |
|
|
Petersburg
|
|
|
ADVENTURE (schooner) |
|
|
Gloucester, MA
|
|
|
The Four Lifts on the Canal du Centre and their Environs, La Louviere and Le Roeulx (Hainaut) |
|
|
La Louviere
|
|
|
Southern Terminal, Susquehanna and Tidewater Canal |
|
|
Havre de Grace
|
|
|
Boott Cotton Mills Museum |
|
|
Lowell, MA
|
|
|
Snoqualmie Falls Hydroelectric Power Plant Historic District |
|
|
Snoqualmie
|
|
|
Hell Gate Bridge |
|
|
New York City
|
|
|
Barnesville Historic District |
|
|
Barnesville
|
|
|
San Antonio Missions National Historical Park |
|
|
San Antonio, TX
|
|
|
Harms Mill Hydroelectric Station |
|
|
Fayetteville
|
|
|
Lawrenceburg No 2 Hydroelectric Station |
|
|
Lawrenceburg
|
|
|
Hoover Dam |
|
|
Lake Mead National Recreation Area
|
|
|
Cape Hatteras Light Station |
|
|
Cape Hatteras National Seashore
|
|
|
Calderwood Dam (Boundary Increase) |
|
|
Calderwood
|
|
|
Walter Hill Hydroelectric Station |
|
|
Murfreesboro
|
|
|
LOUISIANA (Shipwreck) |
|
|
Washington
|
|
|
NOQUEBAY (Schooner-Barge) Shipwreck Site |
|
|
Lake Superior
|
|
|
SEVONA (Bulk Carrier) Shipwreck Site |
|
|
Bayfield
|
|
|
US Naval Air Station Dirigible Hangar B |
|
|
Tillamook
|
|
|
Kennesaw Mountain National Battlefield Park |
|
|
Georgia
|
|
|
Pentagon Office Building Complex |
|
|
Arlington, VA
|
|
|
Huffman Field |
|
|
Fairborn
|
|
|
Air Force Facility Missile Site 8 (571-7) Military Reservation |
|
|
Green Valley
|
|
|
Montgomery County Jail and Sheriff's Residence |
|
|
Crawfordsville, IN
|
|
|
Laughery Creek Bridge |
|
|
Aurora
|
|
|
Westport Covered Bridge |
|
|
Westport
|
|
|
North Manchester Covered Bridge |
|
|
North Manchester
|
|
|
Howard Home |
|
|
Jeffersonville
|
|
|
Majestic Building |
|
|
Indianapolis
|
|
|
West Washington Street Pumping Station |
|
|
Indianapolis
|
|
|
Fort Ruger Historic District |
|
|
Honolulu
|
|
|
Opaekaa Road Bridge |
|
|
Kapaa
|
|
|
Steyer Bridge |
|
|
Decorah
|
|
|
Cedar Creek Bridge |
|
|
Elgin
|
|
|
Brush Creek Bridge |
|
|
Baxter Springs
|
|
|
Mine Creek Bridge |
|
|
Mound City
|
|
|
Pottawatomie Creek Bridge |
|
|
Osawatomie
|
|
|
Blacksmith Creek Bridge |
|
|
Topeka
|
|
|
Conrad Rice Mill |
|
|
New Iberia
|
|
|
Crockett, David, Fire Hall and Pumper |
|
|
Gretna
|
|
|
Smith, Arthur A, Covered Bridge |
|
|
Colrain
|
|
|
Crittenden Historic District |
|
|
City of St Louis
|
|
|
Marion Park Pavilion |
|
|
Glidden
|
|
|
Marsh Rainbow Arch Bridge |
|
|
Chippewa Falls
|
|
|
Madison Waterworks |
|
|
Madison, WI
|
|
|
Davidson Windmill |
|
|
Superior
|
|
|
Mineral Point Hill |
|
|
Mineral Point, WI
|
|
|
Shot Tower |
|
|
Spring Green
|
|
|
Pilgrim Family Farmstead |
|
|
Kewaunee
|
|
|
Bridge No 1 |
|
|
La Crosse
|
|
|
Bridge No 2 |
|
|
La Crosse
|
|
|
Bridge No 3 |
|
|
La Crosse
|
|
|
Bridge No 4 |
|
|
La Crosse
|
|
|
Bridge No 5 |
|
|
La Crosse
|
|
|
Bridge No 6 |
|
|
La Crosse
|
|
|
Waterworks Building |
|
|
La Crosse
|
|
|
Milwaukee Fire Department High Pressure Pumping Station |
|
|
Milwaukee
|
|
|
North Point Water Tower |
|
|
Milwaukee
|
|
|
Hearthstone |
|
|
Appleton, WI
|
|
|
Turtleville Iron Bridge |
|
|
Beloit
|
|
|
Fort Gorges |
|
|
Portland, ME
|
|
|
Two Cent Bridge |
|
|
Winslow, ME
|
|
|
Two Cent Bridge |
|
|
Waterville, ME
|
|
|
Bennett Bridge |
|
|
Wilson Mills
|
|
|
Hemlock Bridge |
|
|
Fryeburg Center
|
|
|
Sunday River Bridge |
|
|
Newry
|
|
|
Bangor Standpipe |
|
|
Bangor, ME
|
|
|
Robyville Bridge |
|
|
Robyville
|
|
|
Tramway Historic District |
|
|
Greenville
|
|
|
Fort Baldwin Historic Site |
|
|
Phippsburg
|
|
|
Perkins Tide Mill |
|
|
Kennebunkport
|
|
|
Pons Fabricius |
|
|
Rome
|
|
|
Royal Gorge Bridge and Incline Railway |
|
|
Canon City
|
|
|
Phillips, Thomas, Mill Complex |
|
|
Newark, DE
|
|
|
Lake Mirror Promenade |
|
|
Lakeland
|
|
|
Ford Motor Company Edgewater Assembly Plant |
|
|
Edgewater
|
|
|
Rorig Bridge |
|
|
Westfield
|
|
|
Mount Beacon Incline Railway and Power House |
|
|
Beacon, NY
|
|
|
Poughkeepsie Underwear Factory |
|
|
Poughkeepsie, NY
|
|
|
Longue Vue Island |
|
|
Alexandria, NY
|
|
|
Croton Aqueduct Gate House |
|
|
New York City
|
|
|
IRT Broadway Line Viaduct |
|
|
New York City
|
|
|
Storm King Highway |
|
|
Storm King State Park
|
|
|
Bear Mountain Bridge Rd |
|
|
Cortlandt, NY
|
|
|
Newland Road Site |
|
|
Morgan's Corner
|
|
|
Peter Gendron House |
|
|
Toledo, OH
|
|
|
Turpin Grain Elevator |
|
|
Turpin
|
|
|
Adams Woodframe Grain Elevator |
|
|
Adams
|
|
|
Baker Woodframe Elevator |
|
|
Baker
|
|
|
Baker Woodframe Grain Elevator |
|
|
Baker
|
|
|
Eva Woodframe Grain Elevator |
|
|
Eva
|
|
|
Hooker Woodframe Grain Elevator |
|
|
Hooker
|
|
|
Hough Woodframe Elevator |
|
|
Hough
|
|
|
Mouser Woodframe Grain Elevator, Collingwood Elevator |
|
|
Mouser
|
|
|
Optima Grain Elevator |
|
|
Optima
|
|
|
Tracey Woodframe Grain Elevator |
|
|
Muncey
|
|
|
Presque Isle Light |
|
|
Erie
|
|
|
Welty's Mill Bridge |
|
|
Waynesboro
|
|
|
Girard Group |
|
|
Philadelphia, PA
|
|
|
Dillon Memorial |
|
|
Davenport
|
|
|
Baumann House |
|
|
Camp Springs
|
|
|
Simon Kenton Memorial Bridge |
|
|
Aberdeen
|
|
|
Simon Kenton Memorial Bridge |
|
|
Maysville
|
|
|
Cold River Bridge |
|
|
Langdon
|
|
|
Meriden Bridge |
|
|
Plainfield
|
|
|
Pier Bridge |
|
|
Newport, NH
|
|
|
Wright's Bridge |
|
|
Newport, NH
|
|
|
East Shoreham Covered Railroad Bridge |
|
|
Shoreham
|
|
|
Halpin Covered Bridge |
|
|
Middlebury
|
|
|
Pulp Mill Covered Bridge |
|
|
Middlebury
|
|
|
Arlington Green Covered Bridge |
|
|
Arlington
|
|
|
Bennington Battle Monument |
|
|
Bennington, VT
|
|
|
Bennington Falls Covered Bridge |
|
|
Bennington, VT
|
|
|
Henry Covered Bridge |
|
|
Bennington, VT
|
|
|
Silk Covered Bridge |
|
|
Bennington, VT
|
|
|
Burrington Covered Bridge |
|
|
Lyndon
|
|
|
Bradley Covered Bridge |
|
|
Lyndon
|
|
|
Centre Covered Bridge |
|
|
Lyndon
|
|
|
Chamberlin Mill Covered Bridge |
|
|
Lyndon
|
|
|
Greenbanks Hollow Covered Bridge |
|
|
Danville
|
|
|
Quinlan's Covered Bridge |
|
|
East Charlotte
|
|
|
Sequin Covered Bridge |
|
|
East Charlotte
|
|
|
Central Vermont Railroad Headquarters |
|
|
St Albans
|
|
|
Comstock Covered Bridge |
|
|
Montgomery
|
|
|
Douglas and Jarvis Patent Parabolic Truss Iron Bridge |
|
|
Highgate
|
|
|
East Fairfield Covered Bridge |
|
|
East Fairfield
|
|
|
Fairfax Covered Bridge |
|
|
Fairfax
|
|
|
Fuller Covered Bridge |
|
|
Montgomery
|
|
|
Hectorville Covered Bridge |
|
|
Montgomery Center
|
|
|
Hopkins Covered Bridge |
|
|
Enosburg
|
|
|
Hutchins Covered Bridge |
|
|
Montgomery Center
|
|
|
Longley Covered Bridge |
|
|
Montgomery
|
|
|
West Hill Covered Bridge |
|
|
Montgomery
|
|
|
Fisher Covered Railroad Bridge |
|
|
Wolcott
|
|
|
Gates Farm Covered Bridge |
|
|
Cambridge
|
|
|
Gold Brook Covered Bridge |
|
|
Stowe, VT
|
|
|
Grist Mill Covered Bridge |
|
|
Cambridge
|
|
|
Jaynes Covered Bridge |
|
|
Waterville
|
|
|
Mill Covered Bridge |
|
|
Belvidere
|
|
|
Montgomery Covered Bridge |
|
|
Waterville
|
|
|
Morgan Covered Bridge |
|
|
Belvidere
|
|
|
Poland Covered Bridge |
|
|
Cambridge Junction
|
|
|
Power House Covered Bridge |
|
|
Johnson, VT
|
|
|
Red Covered Bridge |
|
|
Morristown
|
|
|
Scribner Covered Bridge |
|
|
Johnson, VT
|
|
|
Village Covered Bridge |
|
|
Waterville
|
|
|
Sheikh Zayed Bridge |
|
|
Abu Dubai
|
|
|
Braley Covered Bridge |
|
|
Randolph
|
|
|
Brookfield Village Historic District |
|
|
Brookfield
|
|
|
Cilley Covered Bridge |
|
|
Tunbridge
|
|
|
Flint Covered Bridge |
|
|
Tunbridge
|
|
|
Gifford Covered Bridge |
|
|
Randolph
|
|
|
Howe Covered Bridge |
|
|
Tunbridge
|
|
|
Kingsbury Covered Bridge |
|
|
Randolph
|
|
|
Mill Covered Bridge |
|
|
Tunbridge
|
|
|
Moxley Covered Bridge |
|
|
Chelsea
|
|
|
Thetford Center Covered Bridge |
|
|
Thetford
|
|
|
Union Village Covered Bridge |
|
|
Union Village
|
|
|
River Road Covered Bridge |
|
|
North Troy
|
|
|
Brown Covered Bridge |
|
|
North Clarendon
|
|
|
Cooley Covered Bridge |
|
|
Pittsford
|
|
|
Depot Covered Bridge |
|
|
Pittsford
|
|
|
Gorham Covered Bridge |
|
|
Proctor
|
|
|
Hammond Covered Bridge |
|
|
Pittsford
|
|
|
Kingsley Covered Bridge |
|
|
East Clarendon
|
|
|
Sanderson Covered Bridge |
|
|
Brandon, VT
|
|
|
Coburn Covered Bridge |
|
|
East Montpelier
|
|
|
Great Eddy Covered Bridge |
|
|
Waitsfield
|
|
|
Lower Cox Brook Covered Bridge |
|
|
Northfield Falls
|
|
|
Northfield Falls Covered Bridge |
|
|
Northfield
|
|
|
Pine Brook Covered Bridge |
|
|
Waitsfield
|
|
|
Slaughterhouse Covered Bridge |
|
|
Northfield
|
|
|
Stony Brook Covered Bridge |
|
|
Northfield
|
|
|
Upper Cox Brook Covered Bridge |
|
|
Northfield
|
|
|
Bartonsville Covered Bridge |
|
|
Bartonsville
|
|
|
Creamery Covered Bridge |
|
|
Brattleboro
|
|
|
East Putney Brook Stone Arch Bridge |
|
|
East Putney
|
|
|
Follett Stone Arch Bridge Historic District |
|
|
Townshend
|
|
|
Green River Covered Bridge |
|
|
Green River
|
|
|
Hall Covered Bridge |
|
|
Bellows Falls
|
|
|
Kidder Covered Bridge |
|
|
Grafton
|
|
|
Sacketts Brook Stone Arch Bridge |
|
|
Putney
|
|
|
Scott Covered Bridge |
|
|
Townshend
|
|
|
Simpsonville Stone Arch Bridge |
|
|
Townshend
|
|
|
West Dummerston Covered Bridge |
|
|
Dummerston
|
|
|
West Townshend Stone Arch Bridge |
|
|
Townshend
|
|
|
Williamsville Covered Bridge |
|
|
Newfane
|
|
|
Worrall Covered Bridge |
|
|
Rockingham
|
|
|
Best's Covered Bridge |
|
|
Windsor, VT
|
|
|
Bowers Covered Bridge |
|
|
Windsor, VT
|
|
|
Iron Bridge at Howard Hill Road |
|
|
Cavendish
|
|
|
Lincoln Covered Bridge |
|
|
Woodstock
|
|
|
Martin's Mill Covered Bridge |
|
|
Hartland
|
|
|
Taftsville Covered Bridge |
|
|
Woodstock
|
|
|
Upper Falls Covered Bridge |
|
|
Perkinsville
|
|
|
Willard Covered Bridge |
|
|
Hartland
|
|
|
Parlett House |
|
|
Bristol, TN
|
|
|
Center Point Covered Bridge |
|
|
Center Point
|
|
|
Sixth Street Railroad Bridge |
|
|
Parkersburg
|
|
|
La Pointe Light Station |
|
|
Apostle Islands National Lakeshore
|
|
|
Cumberland and Oxford Canal |
|
|
Standish
|
|
|
Cumberland and Oxford Canal |
|
|
Windham
|
|
|
Cumberland and Oxford Canal |
|
|
Gorham, ME
|
|
|
Cumberland and Oxford Canal |
|
|
Westbrook, ME
|
|
|
Eagle Island |
|
|
Harpswell
|
|
|
Portsmouth Naval Shipyard |
|
|
Kittery, ME
|
|
|
Isles of Shoals |
|
|
New Hampshire
|
|
|
Isles of Shoals |
|
|
Maine
|
|
|
Holmes Creek Covered Bridge |
|
|
Charlotte
|
|
|
Larkin Covered Bridge |
|
|
North Tunbridge
|
|
|
Orne Covered Bridge |
|
|
Coventry
|
|
|
Curtis Island Light |
|
|
Camden, ME
|
|
|
Dalton Covered Bridge |
|
|
Warner
|
|
|
Winkley Bridge |
|
|
Heber Springs
|
|
|
Bach Long Glass Bridge |
|
|
Muong Sang
|
|
|
Starr Historic District |
|
|
Richmond, IN
|
|
|
Allison Mansion |
|
|
Indianapolis
|
|
|
Andrews Street Bridge |
|
|
City of Rochester
|
|
|
Court Street Bridge |
|
|
City of Rochester
|
|
|
Main Street Bridge |
|
|
City of Rochester
|
|
|
West Norristown Historic District |
|
|
West Norristown
|
|
|
Cherokee Plantation |
|
|
Fort Payne
|
|
|
Paxton Water Tower and Pump House |
|
|
Paxton
|
|
|
Ouachita River Lock and Dam No 8 |
|
|
Calion
|
|
|
Kikiaola |
|
|
Waimea
|
|
|
Rock Gate |
|
|
Homestead
|
|
|
Alexander-Acacia Bridge |
|
|
Larkspur, CA
|
|
|
Battery Hawkins |
|
|
Joint Base Pearl Harbor-Hickam
|
|
|
Battery Jackson |
|
|
Joint Base Pearl Harbor-Hickam
|
|
|
Battery Selfridge |
|
|
Joint Base Pearl Harbor-Hickam
|
|
|
George Street Bridge |
|
|
Aurora
|
|
|
New Albany and Salem Railroad Station |
|
|
New Albany
|
|
|
Crestwood |
|
|
Valdosta
|
|
|
Minterburn Mill |
|
|
Vernon
|
|
|
Terminous Culling Chute |
|
|
Lodi
|
|
|
Shawnee Street Overpass |
|
|
Kansas City
|
|
|
Crystal Falls Dam and Power Plant |
|
|
Crystal Falls
|
|
|
Oneida Street Station |
|
|
Milwaukee
|
|
|
Matagorda Island Lighthouse |
|
|
Matagorda Island National Wildlife Refuge and State Natural Area
|
|
|
Houston Street Viaduct |
|
|
Dallas, TX
|
|
|
Essex Company Offices and Yard |
|
|
Lawrence
|
|
|
Stock Judging Pavilion |
|
|
Oskaloosa, IA
|
|
|
Arlington Mills Historic District |
|
|
Lawrence
|
|
|
Arlington Mills Historic District |
|
|
Methuen
|
|
|
Arlington House |
|
|
Richmond, KY
|
|
|
Roma-San Pedro International Bridge |
|
|
Roma
|
|
|
Main Street Bridge |
|
|
Pawtucket, RI
|
|
|
Monument Mills |
|
|
Great Barrington, MA
|
|
|
Richland Cotton Mill |
|
|
Columbia, SC
|
|
|
Dewey Bridge |
|
|
Moab
|
|
|
Gravel Shoals Sluice |
|
|
Madison
|
|
|
Cross Rock Rapid Sluice |
|
|
Madison
|
|
|
Eagle Falls Sluice |
|
|
Wentworth
|
|
|
Mayo River Sluice |
|
|
Madison
|
|
|
Slink Shoal Sluice and Wing Dams |
|
|
Madison
|
|
|
Tanyard Shoal Sluice |
|
|
Eden
|
|
|
Three Ledges Shoal Sluice |
|
|
Eden
|
|
|
Jacob's Creek Landing |
|
|
Madison
|
|
|
Narrows Dam and Power Plant Complex |
|
|
Badin
|
|
|
Bonnie's Bridge |
|
|
Cherry Hill
|
|
|
Bloomfield Station |
|
|
Bloomfield
|
|
|
Lockville Dam, Canal and Powerhouse |
|
|
Moncure
|
|
|
Mead Johnson River-Rail-Truck Terminal and Warehouse |
|
|
Evansville
|
|
|
Canton Viaduct |
|
|
Canton
|
|
|
Janice Peaslee Bridge |
|
|
Maidstone
|
|
|
Janice Peaslee Bridge |
|
|
Strafford
|
|
|
Central Woolen Mills District |
|
|
Uxbridge
|
|
|
Haraguchi Rice Mill |
|
|
Hanalei
|
|
|
Raymondville Parabolic Bridge |
|
|
Raymondville
|
|
|
Soden's Grove Bridge |
|
|
Emporia
|
|
|
Grobin Davis Mound Group |
|
|
Wright City
|
|
|
Vista Avenue Viaduct |
|
|
Portland
|
|
|
Allegheny Aqueduct |
|
|
Gibraltar
|
|
|
Puente Blanco |
|
|
Quebradillas
|
|
|
Philip Noon House |
|
|
Ebensburg
|
|
|
Prowers Bridge |
|
|
McClave
|
|
|
F Street Bridge |
|
|
Salida
|
|
|
Miner Street Bridge |
|
|
Idaho Springs
|
|
|
Costilla Crossing Bridge |
|
|
Antonito
|
|
|
San Luis Bridge |
|
|
San Luis
|
|
|
Roubideau Bridge |
|
|
Delta
|
|
|
Denver Millennium Bridge |
|
|
Denver
|
|
|
19th Street Bridge |
|
|
Denver
|
|
|
Bridge over Fountain Creek |
|
|
Manitou Springs
|
|
|
Konitsa Stone Bridge |
|
|
Konitsa
|
|
|
Mile High Swinging Bridge |
|
|
Grandfather Mountain Nature Park
|
|
|
Satank Bridge |
|
|
Carbondale
|
|
|
South Canon Bridge |
|
|
Glenwood Springs
|
|
|
Fay's Crossing |
|
|
Pueblo
|
|
|
Bridge over Burro Canon |
|
|
Madrid
|
|
|
Trinidad Foundry and Machine Company Office |
|
|
Trinidad, CO
|
|
|
Atomic Legacy Cabin |
|
|
Grand Junction
|
|
|
Rainbow Arch Bridge |
|
|
Fort Morgan
|
|
|
Maroon Creek Bridge |
|
|
Aspen
|
|
|
Sheely Bridge |
|
|
Aspen
|
|
|
Douglas Crossing Bridge |
|
|
Granada
|
|
|
Three Powers Plaza |
|
|
Brasilia
|
|
|
Huerfano Bridge |
|
|
Boone
|
|
|
St Charles Bridge |
|
|
Pueblo
|
|
|
Hay's Ranch Bridge |
|
|
Meeker
|
|
|
Sutherland Bridge |
|
|
Del Norte
|
|
|
Nihonbashi Bridge |
|
|
Tokyo
|
|
|
Four Mile Bridge |
|
|
Steamboat Springs
|
|
|
Fort CF Smith |
|
|
Bowling Green, KY
|
|
|
Fort Lytle |
|
|
Bowling Green, KY
|
|
|
Fort Webb |
|
|
Bowling Green, KY
|
|
|
Dell Rapids Water Tower |
|
|
Dell Rapids, SD
|
|
|
Queen Bee Mill |
|
|
Sioux Falls, SD
|
|
|
Lord Baltimore Hotel |
|
|
Baltimore, MD
|
|
|
Sonneborn Building |
|
|
Baltimore, MD
|
|
|
Finch Building |
|
|
Aberdeen
|
|
|
Annisquam Bridge |
|
|
Gloucester, MA
|
|
|
Old Mill Site Historic District |
|
|
Hatfield
|
|
|
Battery Hawkins Annex |
|
|
Joint Base Pearl Harbor-Hickam
|
|
|
Tempe Concrete Arch Highway Bridge |
|
|
Tempe
|
|
|
Pequabuck Bridge |
|
|
Farmington
|
|
|
French Cable Station Museum |
|
|
Orleans
|
|
|
Merrill's Wharf Historic District |
|
|
New Bedford
|
|
|
Hopper Gristmill Site |
|
|
Mahwah
|
|
|
Holyoke Canal System |
|
|
Holyoke
|
|
|
Granite Keystone Bridge |
|
|
Rockport, MA
|
|
|
EJE Bridge over Shell Creek |
|
|
Shell
|
|
|
EJZ Bridge over Shoshone River |
|
|
Lovell
|
|
|
DMJ Pick Bridge |
|
|
Saratoga, WY
|
|
|
ELS Bridge over Big Wind River |
|
|
Dubois
|
|
|
BMU Bridge over Wind River |
|
|
Ethete
|
|
|
ELY Wind River Diversion Dam Bridge |
|
|
Morton
|
|
|
CQA Four Mile Bridge |
|
|
Thermopolis
|
|
|
EFP Bridge over Owl Creek |
|
|
Thermopolis
|
|
|
EDL Peloux Bridge |
|
|
Buffalo
|
|
|
EDZ Irigary Bridge |
|
|
Sussex, WY
|
|
|
DUX Bessemer Bend Bridge |
|
|
Bessemer Bend
|
|
|
DSD Bridge over Cheyenne River |
|
|
Riverview
|
|
|
Hayden Arch Bridge |
|
|
Cody
|
|
|
EWZ Bridge over East Channel of Laramie River |
|
|
Wheatland
|
|
|
EAU Arvada Bridge |
|
|
Arvada
|
|
|
EBF Bridge over Powder River |
|
|
Leiter
|
|
|
ECS Bridge over Big Goose Creek |
|
|
Sheridan
|
|
|
ECR Kooi Bridge |
|
|
Monarch
|
|
|
DDZ Bridge over New Fork River |
|
|
Boulder
|
|
|
ENP Bridge over Green River |
|
|
Daniel
|
|
|
ERT Bridge over Black's Fork |
|
|
Bear River State Park
|
|
|
Hoosac Tunnel |
|
|
North Adams
|
|
|
Hoosac Tunnel |
|
|
Florida, MA
|
|
|
Gen Sylvanus Thayer House |
|
|
Town of Braintree, MA
|
|
|
Miami-Erie Canal Lock No 70 |
|
|
Huber Heights
|
|
|
Goodman Brothers and Hinlein Company |
|
|
Philadelphia, PA
|
|
|
Bay Road |
|
|
Easton
|
|
|
New Portland Wire Bridge |
|
|
New Portland
|
|
|
DOE Bridge over Laramie River |
|
|
Bosler
|
|
|
DFU Elk Mountain Bridge |
|
|
Elk Mountain
|
|
|
DML-Butler Bridge |
|
|
Encampment, WY
|
|
|
DXN Bridge over Missouri River |
|
|
Hulett
|
|
|
AJX Bridge over South Fork and Powder River |
|
|
Kaycee
|
|
|
CKW Bridge over Powder River |
|
|
Arvada
|
|
|
ETR Big Island Bridge |
|
|
Green River
|
|
|
Congress Building |
|
|
Miami, Fl
|
|
|
Cedar Swamp Covered Bridge |
|
|
West Salisbury
|
|
|
Winthrop Building |
|
|
Boston
|
|
|
Atherton Bridge |
|
|
Lancaster, MA
|
|
|
Ponakin Bridge |
|
|
Lancaster, MA
|
|
|
Elm Street Fire Station |
|
|
Gardner
|
|
|
Middlefield-Becket Stone Arch Railroad Bridge District |
|
|
Chester
|
|
|
Middlefield-Becket Stone Arch Railroad Bridge District |
|
|
Becket, MA
|
|
|
Middlefield-Becket Stone Arch Railroad Bridge District |
|
|
Middlefield
|
|
|
Lane's Run Historic District |
|
|
Georgetown, KY
|
|
|
Choate Bridge |
|
|
Ipswich
|
|
|
Essex Company Machine Shop |
|
|
Lawrence
|
|
|
Great Stone Dam |
|
|
Lawrence
|
|
|
High Service Water Tower and Reservoir |
|
|
Lawrence
|
|
|
The New Hampshire |
|
|
Manchester-by-the-Sea
|
|
|
Sparkill Creek Drawbridge |
|
|
Piermont
|
|
|
Loammi Baldwin Mansion |
|
|
Woburn
|
|
|
George Kunhardt Estate |
|
|
North Andover, MA
|
|
|
Octagon House |
|
|
Stamford, CT
|
|
|
Fort Pickering |
|
|
Salem, MA
|
|
|
Seaside Park |
|
|
Bridgeport, CT
|
|
|
Sterling Block-Bishop Arcade |
|
|
Bridgeport, CT
|
|
|
Willimantic Footbridge |
|
|
Windham
|
|
|
Water Street - Darden Road Bridge |
|
|
South Bend
|
|
|
Echo Bridge |
|
|
Newton, MA
|
|
|
Echo Bridge |
|
|
Needham
|
|
|
Comstock's Bridge |
|
|
East Hampton
|
|
|
Old Covered Bridge |
|
|
Sheffield
|
|
|
Rogerson's Village Historic District |
|
|
North Uxbridge
|
|
|
Old Higgins Farm Windmill |
|
|
Brewster
|
|
|
Bull's Bridge |
|
|
Kent
|
|
|
West Cornwall Bridge |
|
|
West Cornwall
|
|
|
Farmington Canal Lock |
|
|
Cheshire
|
|
|
Main Sawmill |
|
|
Ledyard, CT
|
|
|
Farmington Canal Lock No 13 |
|
|
Hamden, CT
|
|
|
Collinsville Historic District |
|
|
Collinsville
|
|
|
Fort Nathan Hale |
|
|
New Haven, CT
|
|
|
Enfield Canal |
|
|
Windsor Locks
|
|
|
Gamel Hexadecagon Barn |
|
|
North Collins
|
|
|
Stonington Harbor Lighthouse |
|
|
Stoningto, CT
|
|
|
Boardman's Bridge |
|
|
New Milford
|
|
|
Lover's Leap Bridge |
|
|
New Milford
|
|
|
Farmington River Railroad Bridge |
|
|
Windsor, CT
|
|
|
Sharon Valley Historic District |
|
|
Sharon, CT
|
|
|
Ida Street Viaduct |
|
|
Cincinnati, OH
|
|
|
Cleveland Arcade |
|
|
Cleveland
|
|
|
Smith Road Bridge |
|
|
Bucyrus
|
|
|
Labo Del Rio Bridge |
|
|
Arboles
|
|
|
Coke Ovens, Wilkeson, WA |
|
|
Wilkeson, WA
|
|
|
Blewett Arrastra |
|
|
Cashmere
|
|
|
Fire Station No 25 |
|
|
Seattle
|
|
|
Okanogan Project: Conconully Resevoir Dam |
|
|
Conconully
|
|
|
Dybdall Gristmill |
|
|
Cheney
|
|
|
Welle Hess Covered Bridge No S1 |
|
|
Grassmere Park
|
|
|
Building No 105, Boeing Airplane Company |
|
|
Seattle
|
|
|
Indianapolis Union Station-Wholesale District |
|
|
Indianapolis
|
|
|
East Main Street Bridge |
|
|
Corbin
|
|
|
Enloe Dam and Powerplant |
|
|
Oroville
|
|
|
Camp Six |
|
|
Tacoma
|
|
|
Reburn, Thomas, Polygonal Barn |
|
|
New Albin
|
|
|
Round Barn, Bruce Township Section 3 |
|
|
Eagle Center
|
|
|
Round Barn, Washington Township |
|
|
Janesville
|
|
|
Round Barn, Dubuque Township |
|
|
Dubuque
|
|
|
Thomsen Round Barn |
|
|
Armstrong
|
|
|
Spotts Round Barn |
|
|
Charles City
|
|
|
Tillamook Rock Lighthouse |
|
|
Ecola State Park
|
|
|
Octagon Barn, Richland Township |
|
|
Jamaica, Iowa
|
|
|
Oakland, William, Round Barn |
|
|
Blairsburg
|
|
|
Secrest Octagon Barn |
|
|
Downey
|
|
|
Waveland Round Barn |
|
|
Cushing
|
|
|
Round Barn, Buckingham Township |
|
|
Buckingham
|
|
|
Young, John W, Round Barn |
|
|
Traer
|
|
|
Wickfield Round Barn |
|
|
Cantril
|
|
|
Octagon Barn, Otter Township |
|
|
Milo, IA
|
|
|
Dexter Grist Mill |
|
|
Sandwich
|
|
|
Round Barn, Washington Township |
|
|
Sciola
|
|
|
McCoy Polygonal Barn |
|
|
Hepburn
|
|
|
Burbank Homestead Waterwheel |
|
|
Cashmere
|
|
|
Monroe Street Bridge |
|
|
Spokane, WA
|
|
|
Rock Island Railroad Bridge |
|
|
Malaga
|
|
|
Rock Island Railroad Bridge |
|
|
Rock Island
|
|
|
14th Avenue South Bridge |
|
|
Seattle
|
|
|
McMillin Bridge |
|
|
Puyallup
|
|
|
Portland and Southwestern Railroad Tunnel |
|
|
Scappoose
|
|
|
C C Van Arsdol House |
|
|
Clarkston
|
|
|
Gold Coast Historic District |
|
|
Chicago
|
|
|
Smith's Irrigation Ditch |
|
|
Denver
|
|
|
Moore Theatre and Hotel |
|
|
Seattle
|
|
|
Aerial Lift Bridge, Duluth |
|
|
Duluth, MN
|
|
|
Philip Buehner House |
|
|
Portland
|
|
|
Hanalei Pier |
|
|
Hanalei
|
|
|
Freeport Bowstring Arch Bridge |
|
|
Decorah
|
|
|
Round Barn, Bruce Township Section 6 |
|
|
La Porte
|
|
|
McKenzie, Erza, Round Barn |
|
|
Hazleton
|
|
|
Fobes Octagon Barn |
|
|
Lanesboro
|
|
|
Round Barn, Millville Township |
|
|
Millville
|
|
|
Wood, Herman, Round Barn |
|
|
Iowa Falls
|
|
|
Frantz Round Barn |
|
|
Grand Junction
|
|
|
Jefferson Substation |
|
|
Portland
|
|
|
Cappelen Memorial Bridge |
|
|
Minneapolis
|
|
|
Holtkamp Round Barn |
|
|
Salem
|
|
|
Polygonal Barn, New Oregon Township |
|
|
Cresco
|
|
|
Nebergall 'Knoll Crest' Round Barn |
|
|
Blue Grass
|
|
|
Plagmann Round Barn |
|
|
Conroy
|
|
|
Dyas Hexagonal Barn |
|
|
Bellevue
|
|
|
Polygonal Barn, Van Buren Township |
|
|
Van Buren
|
|
|
Polygonal Barn, Lincoln Township |
|
|
West Liberty
|
|
|
Longbottom Polygonal Barn |
|
|
Titonka
|
|
|
Round Barn, Cooper Township |
|
|
Mapleton
|
|
|
Oahu Railway and Land Company Right-of-Way |
|
|
Nanakuli-Maili
|
|
|
R W Meyer Sugar Mill |
|
|
Kalae
|
|
|
Fort Stevens |
|
|
Warrenton
|
|
|
Bridgeport Covered Bridge |
|
|
South Yuba River State Park, CA
|
|
|
Ahole Holua Complex |
|
|
Milolii
|
|
|
West Point Light Station |
|
|
Fort Lawton
|
|
|
Cascade Locks Marine Park |
|
|
Cascade Locks
|
|
|
Iron Goat Trail, Stevens Pass Historic District |
|
|
Stevens Pass
|
|
|
Aurora Avenue Bridge |
|
|
Seattle
|
|
|
Horseshoe Bend Placer Claim |
|
|
Sultan
|
|
|
Monteith Historic District |
|
|
Albany
|
|
|
Rock O' the Range Bridge |
|
|
Bend
|
|
|
Harris Bridge |
|
|
Wren
|
|
|
Sandy Creek Bridge |
|
|
Remote
|
|
|
Hayden Bridge |
|
|
Alsea
|
|
|
Milo Academy Bridge |
|
|
Days Creek
|
|
|
Wimer Bridge |
|
|
Wimer
|
|
|
McKee Bridge |
|
|
Ruch
|
|
|
Lake Creek Bridge |
|
|
Greenleaf
|
|
|
Ernest Bridge |
|
|
Marcola
|
|
|
Goodpasture Bridge |
|
|
Vida
|
|
|
Belknap Bridge |
|
|
Rainbow
|
|
|
Pengra Bridge |
|
|
Jasper
|
|
|
Unity Bridge |
|
|
Lowell
|
|
|
Currin Bridge |
|
|
Cottage Grove
|
|
|
Dorena Bridge |
|
|
Dorena
|
|
|
Mosby Creek Bridge |
|
|
Cottage Grove
|
|
|
Stewart Bridge |
|
|
Cottage Grove
|
|
|
Coyote Creek Bridge |
|
|
Crow
|
|
|
Deadwood Creek Bridge |
|
|
Swisshome
|
|
|
Chitwood Bridge |
|
|
Chitwood
|
|
|
North Fork of the Yachats Bridge |
|
|
Yachats
|
|
|
Fisher School Bridge |
|
|
Fisher
|
|
|
Short Bridge |
|
|
Cascadia
|
|
|
Larwood Bridge |
|
|
Crabtree
|
|
|
Crawfordsville Bridge |
|
|
Crawfordsville
|
|
|
Hannah Bridge |
|
|
Scio
|
|
|
Gallon House Bridge |
|
|
Silverton
|
|
|
Ritner Creek Bridge |
|
|
Pedee
|
|
|
Priestly's Hydraulic Ram |
|
|
Hagerman
|
|
|
Swan Falls Dam and Power Plant |
|
|
Morley Nelson Snake River Birds of Prey National Conservation Area
|
|
|
Agana Spanish Bridge |
|
|
Hagatna, GU
|
|
|
Taleyfac Spanish Bridge |
|
|
Hagat, GU
|
|
|
Moore-Cunningham House |
|
|
Boise, ID
|
|
|
Arboretum Sewer Trestle |
|
|
Seattle
|
|
|
Minidoka Dam and Power Plant |
|
|
Minidoka National Wildlife Refuge, ID
|
|
|
Minidoka Dam and Power Plant |
|
|
Lake Walcott State Park, ID
|
|
|
Elkhead Stone Arch Bridge |
|
|
Pelham
|
|
|
Boise River Diversion Dam |
|
|
Boise, ID
|
|
|
Lost Creek Bridge |
|
|
Lakecreek
|
|
|
Artesian Water Co Pumphouse and Wells |
|
|
Boise, ID
|
|
|
Great Falls of Paterson, UM Historic District |
|
|
Paterson
|
|
|
Boley Building |
|
|
Kansas City, MO
|
|
|
Fort Granger |
|
|
Franklin, TN
|
|
|
White Bird Grade |
|
|
White Bird
|
|
|
Glass House McCall |
|
|
McCall
|
|
|
Eklutna Power Plant |
|
|
Anchorage
|
|
|
Leleahina Heiau |
|
|
Kaneohe
|
|
|
Small Heiau |
|
|
Koolauloa
|
|
|
Hennepin Canal Historic District |
|
|
Hennepin
|
|
|
Walter E Bixby House |
|
|
Kansas City, MO
|
|
|
Grand Avenue Water Tower |
|
|
City of St Louis
|
|
|
Ott's Assay Office |
|
|
Nevada City, CA
|
|
|
Louis Curtiss Studio Building |
|
|
Kansas City, MO
|
|
|
Loew's Midland Theater-Midland Building |
|
|
Kansas City, MO
|
|
|
Sandy Creek Covered Bridge |
|
|
Hillsboro
|
|
|
Linwood Lawn |
|
|
Lexington
|
|
|
Garden of Eden |
|
|
Lucas
|
|
|
Waldo Water Tower |
|
|
Kansas City, MO
|
|
|
Old Colony Buildings |
|
|
Chicago
|
|
|
Cathedral of the Immaculate Conception |
|
|
Denver
|
|
|
Buildings at 860-880 Lake Shore Drive |
|
|
Chicago
|
|
|
Ware-Hardwick Covered Bridge |
|
|
Hardwick
|
|
|
Ware-Hardwick Covered Bridge |
|
|
Ware
|
|
|
Caruthersville Water Tower |
|
|
Caruthersville
|
|
|
Chapin and Gore Building |
|
|
Chicago
|
|
|
Chicago Avenue Water Tower and Pumping Station |
|
|
Chicago
|
|
|
Ideal Building |
|
|
Denver
|
|
|
Barretts Tunnels |
|
|
Kirkwood
|
|
|
Fisher Building |
|
|
Chicago
|
|
|
Union Covered Bridge |
|
|
Paris
|
|
|
Kehilath Anshe Ma'ariv Synagogue |
|
|
Chicago
|
|
|
Babylon Bend Bridge |
|
|
Ellisville
|
|
|
Indian Ford Bridge |
|
|
London Mills
|
|
|
London Mills Bridge |
|
|
London Mills
|
|
|
Seville Bridge |
|
|
Seville
|
|
|
Bernadotte Bridge |
|
|
Smithfield
|
|
|
Buckeye Bridge |
|
|
Smithfield
|
|
|
Tartar's Ferry Bridge |
|
|
Smithfield
|
|
|
Guernsey Lake Park |
|
|
Guernsey
|
|
|
Burfordville Covered Bridge |
|
|
Burfordville
|
|
|
Bridge in Cumberland Township |
|
|
Greenmount
|
|
|
Bridge in Shaler Township |
|
|
Glenshaw
|
|
|
Bridge between Madison and Mahoning Townships |
|
|
Deanville
|
|
|
Colwell Cut Viaduct |
|
|
Seminole
|
|
|
Bridge in South Beaver Township |
|
|
Cannelton
|
|
|
Bridge in Snake Spring Township |
|
|
Bedford
|
|
|
Barto Bridge |
|
|
Barto
|
|
|
Dauberville Bridge |
|
|
Dauberville
|
|
|
Ironstone Bridge |
|
|
Morysville
|
|
|
Lindbergh Viaduct |
|
|
Reading
|
|
|
S Bridge |
|
|
Sheridan
|
|
|
Bridge in Albany Township |
|
|
Kempton
|
|
|
Bridge in Solebury Township |
|
|
Carversville
|
|
|
Campbell's Bridge |
|
|
Milford Square
|
|
|
Newtown Creek Bridge |
|
|
Newtown Township
|
|
|
Bridge in Tinicum Township |
|
|
Point Pleasant
|
|
|
Bridge in Yardley Borough |
|
|
Scammells Corner
|
|
|
Bridge in Buckingham Township |
|
|
Wycombe
|
|
|
Black Rock Bridge |
|
|
Mont Clare
|
|
|
Black Rock Bridge |
|
|
Mont Clare
|
|
|
Bridge in New Garden Township |
|
|
Landenberg
|
|
|
Lenape Bridge |
|
|
Lenape
|
|
|
Bridge in East Fallowfield Township |
|
|
Mortonville
|
|
|
Bridge in Tredyffrin Township |
|
|
Port Kennedy
|
|
|
County Bridge No 101 |
|
|
Rock Run
|
|
|
Bridge in Greenwood Township |
|
|
Bells Landing
|
|
|
Hogback Bridge |
|
|
Curwensville
|
|
|
Bridge in Westover Borough |
|
|
Westover
|
|
|
Bridge in Fishing Creek Township |
|
|
Bendertown
|
|
|
Bridge in East Fallowfield Township |
|
|
Atlantic
|
|
|
Cambridge Springs Bridge |
|
|
Cambridge Springs
|
|
|
Bridge in West Mead Township |
|
|
Center Road Corners
|
|
|
Bridge in Rockdale Township |
|
|
Millers Station
|
|
|
Market Street Bridge |
|
|
Wormleysburg, PA
|
|
|
Market Street Bridge |
|
|
Harrisburg
|
|
|
Bridge in Lykens Township No 2 |
|
|
Fearnot
|
|
|
Soldiers and Sailors Memorial Bridge |
|
|
Harrisburg
|
|
|
Bridge in Reed Township |
|
|
Inglenook
|
|
|
Bridge in Radnor Township No 1 |
|
|
Broomall
|
|
|
Second Street Bridge |
|
|
Chester
|
|
|
Bridge in Radnor Township No 2 |
|
|
Villanova
|
|
|
Layton Bridge |
|
|
Layton
|
|
|
West Hickory Bridge |
|
|
West Hickory
|
|
|
McClay's Twin Bridge (East) |
|
|
Middle Spring
|
|
|
Bridge in Metal Township |
|
|
Willow Hill
|
|
|
Marion Bridge |
|
|
Point Marion
|
|
|
Marion Bridge |
|
|
Point Marion
|
|
|
Bridge in Franklin Township |
|
|
Franklin Township
|
|
|
Bridge in West Wheatfield Township |
|
|
Robinson
|
|
|
Harrison Avenue Bridge |
|
|
Scranton
|
|
|
Old Columbia-Wrightsville Bridge |
|
|
Columbia
|
|
|
Old Columbia-Wrightsville Bridge |
|
|
Wrightsville
|
|
|
Bridge in West Earl Township |
|
|
Brownstown
|
|
|
Hammer Creek Bridge |
|
|
Brunnerville
|
|
|
Meyers, Albertus L, Bridge |
|
|
Allentown
|
|
|
Centennial Bridge |
|
|
Center Valley
|
|
|
Bridge in Heidelberg Township |
|
|
Germansville
|
|
|
Cold Spring Bridge |
|
|
North Hampton
|
|
|
Bridge in Lynn Township |
|
|
Steinsville
|
|
|
Frantz's Bridge |
|
|
Weidasville
|
|
|
Market Street Bridge |
|
|
Kingston
|
|
|
Market Street Bridge |
|
|
Wilkes-Barre
|
|
|
Bridge in City of Wilkes-Barre |
|
|
Wilkes-Barre
|
|
|
Bridge in Lewis Township |
|
|
Bodines
|
|
|
Bridge in Brown Township |
|
|
Hillborn
|
|
|
Bridge in Porter Township |
|
|
Jersey Shore
|
|
|
Bridge in French Creek Township |
|
|
Carlton
|
|
|
Quaker Bridge |
|
|
Greenville
|
|
|
Perkiomen Bridge |
|
|
Collegeville
|
|
|
Bridge in Franconia Township |
|
|
Elvoy
|
|
|
Bridge in Upper Frederick Township |
|
|
Fagleysville
|
|
|
Bryn Athyn-Lower Moreland Bridge |
|
|
Lower Moreland
|
|
|
Sutch Road Bridge in Marlborough Township |
|
|
Milford
|
|
|
County Bridge No 54 |
|
|
Prospectville
|
|
|
Swamp Creek Road Bridge |
|
|
Sumneytown
|
|
|
Bridge in Hatfield Township |
|
|
Unionville
|
|
|
Bridge in Upper Fredrick Township |
|
|
Zieglersville
|
|
|
Bridge in Bangor Borough |
|
|
Bangor
|
|
|
Bridge in Williams Township |
|
|
Stouts
|
|
|
Watsontown River Bridge |
|
|
Watsontown
|
|
|
Watsontown River Bridge |
|
|
White Deer
|
|
|
Bridge in Newport Borough |
|
|
Newport
|
|
|
Adams Avenue Bridge in Philadelphia |
|
|
Philadelphia, PA
|
|
|
Belmont Avenue Bridge in Philadelphia |
|
|
Philadelphia, PA
|
|
|
City Line Avenue Bridge |
|
|
Philadelphia, PA
|
|
|
Frankford Avenue Bridge over Poquessing Creek |
|
|
Philadelphia, PA
|
|
|
Frankford Avenue Bridge over Pennypack Creek |
|
|
Philadelphia, PA
|
|
|
Holme Avenue Bridge |
|
|
Philadelphia, PA
|
|
|
Ridge Avenue Bridge in Philadelphia |
|
|
Philadelphia, PA
|
|
|
Thirty-third Street Bridge in Philadelphia |
|
|
Philadelphia, PA
|
|
|
Wissahickon Memorial Bridge |
|
|
Philadelphia, PA
|
|
|
Bridge between Monroe and Penn Townships |
|
|
Selinsgrove
|
|
|
Bridge in Clinton Township |
|
|
Kennerdell
|
|
|
Sebara Dildiy |
|
|
Mota
|
|
|
Pithole Stone Arch |
|
|
Oleopolis
|
|
|
Bridge in Cherrytree Township |
|
|
Titusville, PA
|
|
|
Bridge in Dreher Township |
|
|
Haags Mill
|
|
|
Bridge in Nicholson Township |
|
|
Starkville
|
|
|
Bridge in Washington Township |
|
|
Kralltown
|
|
|
Kise Mill Bridge |
|
|
Woodside
|
|
|
Hocking Valley Railway Historic District |
|
|
Nelsonville
|
|
|
Hocking Valley Railway Historic District |
|
|
Logan
|
|
|
Horace M Tallman House |
|
|
Shelbyville
|
|
|
Silver King Ore Loading Station |
|
|
Park City, UT
|
|
|
Bear Mountain Bridge and Toll House |
|
|
Stony Point
|
|
|
Bear Mountain Bridge and Toll House |
|
|
Peekskill, NY
|
|
|
Beebe Windmill |
|
|
Southampton, NY
|
|
|
Springfield Bridge |
|
|
Springfield
|
|
|
Van Wyck-Lefferts Tide Mill |
|
|
Huntington
|
|
|
New Amsterdam Theater |
|
|
New York City
|
|
|
Bridge in Johnstown City |
|
|
Johnstown
|
|
|
Isle Royale Light Station |
|
|
Isle Royale
|
|
|
Warrenton Woolen Mill |
|
|
Torrington
|
|
|
Rock of Ages Light Station |
|
|
Isle Royale
|
|
|
Grand Avenue Bridge |
|
|
Neillsville
|
|
|
Crabtree Creek-Hoffman Covered Bridge |
|
|
Crabtree
|
|
|
Thomas Creek-Gilkey Covered Bridge |
|
|
Crabtree
|
|
|
Thomas Creek-Shimanek Covered Bridge |
|
|
Scio
|
|
|
Songo Lock |
|
|
Naples, ME
|
|
|
Morse Bridge |
|
|
Bangor, ME
|
|
|
Cable Mountain Draw Works |
|
|
Zion National Park
|
|
|
Diversion Tunnel |
|
|
Seward
|
|
|
Deception Pass |
|
|
Anacortes
|
|
|
Beeson Bridge |
|
|
Marshall
|
|
|
Fernbridge |
|
|
Fernbridge
|
|
|
Firescald Creek Stone Arch Bridge |
|
|
Altamont
|
|
|
Scott Creek Stone Arch Bridge |
|
|
Coalmont
|
|
|
Anaconda Smoke Stack State Park |
|
|
Anaconda, MT
|
|
|
Thomas Mill Covered Bridge |
|
|
Philadelphia, PA
|
|
|
USS NAUTILUS (submarine) |
|
|
Groton, CT
|
|
|
WEYMOUTH (schooner) |
|
|
Hamilton Township
|
|
|
USS LING |
|
|
Hackensack
|
|
|
MAGGIE S MYERS (schooner) |
|
|
Leipsic, DE
|
|
|
SS HELLAS LIBERTY |
|
|
Piraeus
|
|
|
Fells Point |
|
|
Baltimore, MD
|
|
|
PATRICIA (log canoe) |
|
|
Cambridge, MD
|
|
|
OLIVER'S GIFT (log canoe) |
|
|
Davidsonville, MD
|
|
|
ISLAND IMAGE (log canoe) |
|
|
Chestertown, MD
|
|
|
MYSTERY (log canoe) |
|
|
Kingstown
|
|
|
BILLIE P HALL (log canoe) |
|
|
Oxford
|
|
|
S C DOBSON (log canoe) |
|
|
Oxford
|
|
|
SANDY (log canoe) |
|
|
Sherwood
|
|
|
ISLAND BIRD (log canoe) |
|
|
St Michaels
|
|
|
ISLAND BLOSSOM (log canoe) |
|
|
St Michaels
|
|
|
JAY DEE (log canoe) |
|
|
St Michaels
|
|
|
NODDY (log canoe) |
|
|
Chestertown, MD
|
|
|
EDMEE S (log canoe) |
|
|
St Michaels
|
|
|
MAGIC (log canoe) |
|
|
St Michaels
|
|
|
PERSISTENCE (log canoe) |
|
|
St Michaels
|
|
|
ROVER (log canoe) |
|
|
St Michaels
|
|
|
FLYING CLOUD (log canoe) |
|
|
Wittman
|
|
|
USS TEXAS |
|
|
Galveston
|
|
|
EUREKA |
|
|
San Francisco Maritime National Historical Park
|
|
|
SS CATALINA |
|
|
Los Angeles
|
|
|
SS JEREMIAH O'BRIEN |
|
|
San Francisco
|
|
|
SS ROTTERDAM |
|
|
Rotterdam
|
|
|
SILVER HEEL (log canoe) |
|
|
Chestertown, MD
|
|
|
JOHN W HUBBARD (sternwheeler) |
|
|
Covington
|
|
|
BARNEGAT (lightship) |
|
|
Camden, NJ
|
|
|
Bayernwald Trenches |
|
|
Heuvelland
|
|
|
KATHERINE M LEE (Schooner) |
|
|
Leipsic, DE
|
|
|
HUGHES FLYING BOAT (HERCULES) |
|
|
McMinnville
|
|
|
JAMES P PEARSON (steamboat) |
|
|
Winona
|
|
|
SAVANNAH (nuclear ship) |
|
|
Baltimore, MD
|
|
|
HERCULES (tugboat) |
|
|
San Francisco Maritime National Historical Park
|
|
|
Nickel Plate Road Steam Locomotive No 587 |
|
|
Beech Grove
|
|
|
Shay Locomotive 549 |
|
|
Cadillac
|
|
|
Fallasburg Covered Bridge |
|
|
Lowell
|
|
|
Granite Island Light Station |
|
|
Marquette, MI
|
|
|
Granite Island Light Station |
|
|
Lake Superior
|
|
|
Wilbur F Davidson House |
|
|
Port Huron
|
|
|
Variable Density Tunnel |
|
|
Hampton
|
|
|
Full Scale Tunnel |
|
|
Hampton
|
|
|
Eight-Foot High Speed Tunnel |
|
|
Hampton
|
|
|
Lunar Landing Research Facility |
|
|
Hampton
|
|
|
Harvard Stadium |
|
|
Boston
|
|
|
Crystal Spring Steam Pumping Station |
|
|
Roanoke
|
|
|
Indianapolis Motor Speedway |
|
|
Speedway
|
|
|
Second Railroad Car No 21 |
|
|
Carson City
|
|
|
Virginia and Truckee RR Engines No 18, The Dayton and No 22, The Inyo |
|
|
Carson City
|
|
|
Texas and Pacific Steam Locomotive No 610 |
|
|
Fort Worth, TX
|
|
|
Grant Steam Locomotive No 223 |
|
|
Salt Lake City
|
|
|
Engine No 463 |
|
|
Antonito
|
|
|
Rio Grande Engine No 168 |
|
|
Colorado Springs
|
|
|
Waialua Agricultural Company Engine No 6 |
|
|
Ewa
|
|
|
Waialua Agricultural Company Engine No 6 |
|
|
Hawaiian Railway Society
|
|
|
Lion, The (locomotive) |
|
|
Machias, ME
|
|
|
Mission Beach Roller Coaster |
|
|
San Diego, CA
|
|
|
Atlantic City Convention Hall |
|
|
Atlantic City, NJ
|
|
|
West Baden Springs Hotel |
|
|
West Baden
|
|
|
Temnac P-38G Lightning |
|
|
Attu Island
|
|
|
Temnac P-38G Lightning |
|
|
Joint Base Elmendorf-Richardson
|
|
|
Hercules and Coach No 2 |
|
|
Mammoth Cave National Park
|
|
|
Saturn V Space Vehicle |
|
|
Huntsville
|
|
|
Kahaluu Taro Lo'i |
|
|
Kahaluu
|
|
|
Gaston's Mill-Lock No 36, Sandy And Beaver Canal District |
|
|
Beaver Creek State Park
|
|
|
Cabin John Aqueduct |
|
|
Glen Echo
|
|
|
Washington Aqueduct |
|
|
Washington, DC
|
|
|
Washington Aqueduct |
|
|
Great Falls
|
|
|
Ehrhart's Mill Historic District |
|
|
Hellertown
|
|
|
Denver and Rio Grande Railroad San Juan Extension |
|
|
Antonito
|
|
|
Denver and Rio Grande Railroad San Juan Extension |
|
|
Chama
|
|
|
Denver and Rio Grande Railroad San Juan Extension |
|
|
Antonito
|
|
|
Eighth Avenue South Reservoir |
|
|
Nashville, TN
|
|
|
Faro di Punta Borinquen |
|
|
Aguadilla
|
|
|
Ellen Furnace Site (38CK68) |
|
|
Gaffney
|
|
|
King's Creek Furnace Site (38CK71) |
|
|
Kings Creek
|
|
|
Smuggler Mine |
|
|
Aspen
|
|
|
Second Street Bridge |
|
|
Galesville
|
|
|
Low's Bridge |
|
|
Sangerville
|
|
|
Rush Historic District |
|
|
Yellville
|
|
|
Pumping Station Bridge |
|
|
Ellendale
|
|
|
Chief Agriculturist House |
|
|
Kolonia
|
|
|
Nan Madol |
|
|
Temwen Island
|
|
|
Tonotan Guns and Caves |
|
|
Weno
|
|
|
Lebanon Road Stone Arch Bridge |
|
|
Nashville, TN
|
|
|
Omohundro Water Filtration Complex District |
|
|
Nashville, TN
|
|
|
Estate Hogansborg |
|
|
Frederiksted
|
|
|
Fortsberg |
|
|
Virgin Islands National Park
|
|
|
Hassel Island Historic District (Boundary Increase) |
|
|
Charlotte Amalie
|
|
|
Waherak MAIHER |
|
|
Chalan Kanoa (Saipan)
|
|
|
Unai Lagua Japanese Defense Pillbox |
|
|
San Roque
|
|
|
Japanese Coastal Defense Gun |
|
|
Songsong
|
|
|
The San Fernando Building |
|
|
Los Angeles
|
|
|
Herschel-Spillman Two-Row Portable Menagerie Carousel |
|
|
Story City
|
|
|
WILLIAM S MITCHELL (dredge) |
|
|
Newport
|
|
|
Longview Bridge |
|
|
Longview
|
|
|
Longview Bridge |
|
|
Rainier
|
|
|
Passaic Machine Works-Watts, Campbell and Company |
|
|
Newark
|
|
|
Denver, Northwestern and Pacific Railway Historic District |
|
|
East Portal
|
|
|
Denver, Northwestern and Pacific Railway Historic District |
|
|
Winter Park
|
|
|
Denver, Northwestern and Pacific Railway Historic District |
|
|
Eldora
|
|
|
Edwin H Hanford House |
|
|
Oakesdale
|
|
|
Maguire, Don, Duplex |
|
|
Ogden
|
|
|
Alcatraz |
|
|
San Francisco
|
|
|
Cleveland West Pierhead Light |
|
|
Cleveland
|
|
|
Jackson's Furnace Site (38YK217) |
|
|
Smyrna
|
|
|
Toledo Harbor Light |
|
|
Toledo, OH
|
|
|
West Sister Island Light |
|
|
West Sister Island National Wildlife Refuge
|
|
|
Niles Car and Manufacturing Company Electric Railway Interurban Combine No 21 |
|
|
Worthington
|
|
|
New Castle and Frenchtown Railroad Right-of-Way |
|
|
Frenchtown
|
|
|
New Castle and Frenchtown Railroad Right-of-Way |
|
|
Bear, DE
|
|
|
Cowpens Furnace Site (38CK73) |
|
|
Gaffney
|
|
|
Plankinton-Wells-Water Street Historic District |
|
|
Milwaukee
|
|
|
Battery John Barlow and Saxton |
|
|
Los Angeles
|
|
|
Foote's Crossing Road |
|
|
North Columbia
|
|
|
Foote's Crossing Road |
|
|
Alleghany
|
|
|
Boca Dam |
|
|
Truckee, CA
|
|
|
Derby Diversion Dam |
|
|
Sparks
|
|
|
Lake Tahoe Dam |
|
|
Tahoe City, CA
|
|
|
CSS GEORGIA (ironclad) |
|
|
Savannah
|
|
|
Ebenezer Mill |
|
|
Knoxville
|
|
|
Fort Thomas Military Reservation District |
|
|
Fort Thomas
|
|
|
ALEXANDER HAMILTON (steamship) |
|
|
Atlantic Highlands
|
|
|
New Castle Ice Piers |
|
|
New Castle, DE
|
|
|
Old Courthouse |
|
|
Gateway Arch National Park
|
|
|
Spanish Dikes |
|
|
Hagatna, GU
|
|
|
Taelayag Spanish Bridge |
|
|
Hagat, GU
|
|
|
Chena Pump House |
|
|
Fairbanks
|
|
|
Knight's Foundry and Shops |
|
|
Sutter Creek
|
|
|
The Kink |
|
|
Fairbanks
|
|
|
Church Hill Road Covered Bridge |
|
|
Lisbon
|
|
|
Cincinnati Street Gas Lamps |
|
|
Cincinnati, OH
|
|
|
Doe Run Creek Historic District |
|
|
Brandenburg
|
|
|
Cedar Islands Archeological District |
|
|
Pierre, SD
|
|
|
Stephen Foster Folk Culture Center State Park |
|
|
White Springs
|
|
|
Art Institute of Chicago Modern Wing |
|
|
Chicago
|
|
|
Proctor Mountain Ski Lift |
|
|
Sun Valley, ID
|
|
|
Imes Covered Bridge |
|
|
St Charles
|
|
|
East Fork Covered Bridge |
|
|
Fallsburg
|
|
|
Fish Creek Dam |
|
|
Carey, ID
|
|
|
Copper River and Northwestern Railway Main Line |
|
|
Chitina
|
|
|
Lutcher Memorial Church Building |
|
|
Orange, TX
|
|
|
Oaklawn Bridge and Waiting Station |
|
|
South Pasadena
|
|
|
Long Cane Covered Bridge |
|
|
Troy
|
|
|
Susitna River Bridge |
|
|
Gold Creek
|
|
|
Douthat State Park Historic District |
|
|
Millboro
|
|
|
Douthat State Park Historic District |
|
|
Millboro
|
|
|
Charles Ilfield Company Warehouse |
|
|
Albuquerque
|
|
|
Pioneer Square-Skid Road District (Boundary Increase) |
|
|
Seattle
|
|
|
Gedeckte Holzbrucke, Aarberg |
|
|
Aarberg, CH
|
|
|
Big Gap Flume |
|
|
Groveland
|
|
|
Green Brae Brick Yard |
|
|
Larkspur, CA
|
|
|
Navy Pier, Chicago |
|
|
Chicago
|
|
|
Central of Georgia Railway Company Shop Property |
|
|
Savannah
|
|
|
Central of Georgia Depot and Trainshed |
|
|
Savannah
|
|
|
Central of Georgia Railroad: Savannah Shops and Terminal Facilities |
|
|
Savannah
|
|
|
Thompson Falls Hydroelectric Dam Historic District |
|
|
Thompson Falls, MT
|
|
|
Faro del Puerto de Ponce |
|
|
Ponce
|
|
|
Faro de Punta de las Figuras |
|
|
Guayama
|
|
|
Faro de Punta de la Tuna |
|
|
Guayama
|
|
|
Faro Isla de Culebritas |
|
|
Isla Culebrita
|
|
|
Mount Rushmore National Memorial |
|
|
South Dakota
|
|
|
Bernard Corrigan House |
|
|
Kansas City, MO
|
|
|
Dalton Brick Company |
|
|
Hopkinsville
|
|
|
Parks Covered Bridge |
|
|
Chalfunts
|
|
|
Belle Hall Covered Bridge |
|
|
Croton
|
|
|
Salt Creek Covered Bridge |
|
|
Norwich
|
|
|
Harra Covered Bridge |
|
|
Watertown
|
|
|
Hildreth Covered Bridge |
|
|
Marietta
|
|
|
Hune Covered Bridge |
|
|
Dart
|
|
|
Rinard Covered Bridge |
|
|
Marietta
|
|
|
Shinn Covered Bridge |
|
|
Bartlett
|
|
|
Ballard Road Covered Bridge |
|
|
Jamestown
|
|
|
Rock Mill Covered Bridge |
|
|
Rock Mill
|
|
|
Eagle Creek Covered Bridge |
|
|
Decatur
|
|
|
Root Covered Bridge |
|
|
Decaturville
|
|
|
Kelso Bowstring Arch Truss Bridge |
|
|
Kelso
|
|
|
Waverly Street Bridge |
|
|
Westernport
|
|
|
Bandelier National Monument |
|
|
New Mexico
|
|
|
S Bridge II |
|
|
New Concord
|
|
|
Great Northern Railway Company Bridge |
|
|
Cass Lake
|
|
|
Crescent Hill Reservoir |
|
|
Louisville, KY
|
|
|
Wilson's Bridge |
|
|
Hagerstown, MD
|
|
|
Snake Alley |
|
|
Burlington, IA
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Oldtown
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Point of Rocks
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Brunswick, MD
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Potomac
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Antietam
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Sharpsburg, MD
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Cedar Grove
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Shepardstown
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Paw Paw
|
|
|
Chesapeake and Ohio Canal National Historical Park |
|
|
Harpers Ferry
|
|
|
East Greenwich Historic District |
|
|
Warwick, RI
|
|
|
East Greenwich Historic District |
|
|
East Greenwich, RI
|
|
|
Boulder Hot Springs Hotel |
|
|
Boulder
|
|
|
Big Hole Pumpstation |
|
|
Divide
|
|
|
Oregon Railway and Navigation Company Bridge |
|
|
Coburg
|
|
|
Lightner Museum |
|
|
St Augustine
|
|
|
Ellis County Courthouse Historic District |
|
|
Waxahachie, TX
|
|
|
Lynchburg Covered Bridge |
|
|
Lynchburg
|
|
|
Lynchburg Covered Bridge |
|
|
Lynchburg
|
|
|
Droemer Brickyard Site |
|
|
Giddings
|
|
|
Westmoreland Tunnel |
|
|
Westmoreland
|
|
|
Duncan Mills Bridge |
|
|
Lewistown
|
|
|
SS SAN MATEO |
|
|
Seattle
|
|
|
Redstone Test Stand |
|
|
Huntsville
|
|
|
Space Launch Complex 10 |
|
|
Vandenberg Air Force Base
|
|
|
Willamette Falls Locks |
|
|
West Linn
|
|
|
Chittenden Locks and Lake Washington Ship Canal |
|
|
Seattle
|
|
|
Volunteer Park |
|
|
Seattle
|
|
|
Buffalo Bill Dam |
|
|
Cody
|
|
|
Victoria Grist Windmill |
|
|
Victoria
|
|
|
San Juan Island, Lime Kiln Light Station |
|
|
San Juan Island, WA
|
|
|
Ryan Ranch |
|
|
Saratoga, WY
|
|
|
Old Town Bridge |
|
|
Wayland
|
|
|
Bayou Plaquemine Lock |
|
|
Plaquemine
|
|
|
Key West Historic District |
|
|
Key West
|
|
|
Empire State Building, NYC |
|
|
New York City
|
|
|
Kennecott Mines |
|
|
Wrangell - St Elias National Park and Preserve
|
|
|
Nott Memorial Hall |
|
|
Schenectady, NY
|
|
|
Parvin Bridge |
|
|
Dexter
|
|
|
Office Bridge |
|
|
Westfir
|
|
|
Grave Creek Bridge |
|
|
Sunny Valley
|
|
|
Lowell Bridge |
|
|
Lowell
|
|
|
Wendling Bridge |
|
|
Wendling
|
|
|
Wildcat Creek Bridge |
|
|
Walton
|
|
|
River Road Stone Arch Railroad Bridge |
|
|
Colchester
|
|
|
Vancouver-Portland Bridge |
|
|
Portland
|
|
|
Vancouver-Portland Bridge |
|
|
Vancouver
|
|
|
Columbia River Highway Historic District |
|
|
Cascade Locks
|
|
|
Columbia River Highway Historic District |
|
|
Hood River
|
|
|
Columbia River Highway Historic District |
|
|
Troutdale
|
|
|
Columbia River Highway Historic District |
|
|
Mosier
|
|
|
Buck, W J, Polygonal Barn |
|
|
Diagonal
|
|
|
Hattie (Gold Bug), Priest and Silver Pine Mines and Stampmill |
|
|
Placerville
|
|
|
Elmbrook Farm Barn |
|
|
Presque Isle
|
|
|
David W Taylor Model Basin |
|
|
Bethesda, MD
|
|
|
Twenty-Five Foot Space Simulator |
|
|
Pasadena, CA
|
|
|
Turtle Creek Culvert and Embankment |
|
|
New Bern
|
|
|
Ptarmigan Tunnel |
|
|
Glacier National Park, MT
|
|
|
Cape Fear Civil War Shipwreck Discontiguous District |
|
|
Holden Beach
|
|
|
Cape Fear Civil War Shipwreck Discontiguous District |
|
|
Topsail Beach
|
|
|
Cape Fear Civil War Shipwreck Discontiguous District |
|
|
Wrightsville Beach
|
|
|
Cape Fear Civil War Shipwreck Discontiguous District |
|
|
Carolina Beach
|
|
|
Stone Arch Bridge, Starrucca Creek |
|
|
Starrucca
|
|
|
Sock Road Bridge |
|
|
Lowell
|
|
|
John McMullen House |
|
|
San Francisco
|
|
|
Bridge of Lions |
|
|
St Augustine
|
|
|
Sam's Creek Bridge |
|
|
Siletz
|
|
|
Elk City Bridge |
|
|
Elk City
|
|
|
Centennial Covered Bridge |
|
|
Cottage Grove
|
|
|
Arkwright Bridge |
|
|
West Warwick, RI
|
|
|
Arkwright Bridge |
|
|
Cranston, RI
|
|
|
Crown and Eagle Mills |
|
|
North Uxbridge
|
|
|
Division Street Bridge |
|
|
Pawtucket, RI
|
|
|
Shelby Street Bridge |
|
|
Nashville, TN
|
|
|
Harrisville Historic District |
|
|
Burrillville, RI
|
|
|
Hamilton Mill Village Historic District |
|
|
North Kingstown, RI
|
|
|
Jervis Gordon Grist Mill Historic District |
|
|
Milford
|
|
|
Vale Cut Off Belle Fourche River Bridge |
|
|
Belle Fourche
|
|
|
Frankford Arsenal |
|
|
Philadelphia, PA
|
|
|
Ely's Stone Bridge |
|
|
Monticello
|
|
|
Rogers House, Daytona Beach |
|
|
Daytona Beach
|
|
|
Berger Factory |
|
|
Boston
|
|
|
Conroe Bridge |
|
|
Junction City
|
|
|
Dewlen-Spohnhauer Bridge |
|
|
Independence
|
|
|
Carpenter Bridge |
|
|
Rehoboth
|
|
|
Northwestern Knitting Company Factory |
|
|
Minneapolis
|
|
|
Adams Mill |
|
|
Cutler
|
|
|
McKinney Homestead |
|
|
Austin, TX
|
|
|
Spencerville Covered Bridge |
|
|
Spencerville
|
|
|
Ranck, Thomas, Round Barn |
|
|
Brownsville
|
|
|
Bridge in Portage Township |
|
|
Oil City
|
|
|
Bridge in Jenner Township |
|
|
Pilltown
|
|
|
Johnstown Inclined Railway |
|
|
Johnstown
|
|
|
Hook Windmill |
|
|
East Hampton
|
|
|
Bailey Farm Windmill |
|
|
North Anson
|
|
|
Bonneville Dam Historic District |
|
|
North Bonneville
|
|
|
Bonneville Dam Historic District |
|
|
Bonneville
|
|
|
New York Central River Raisin Railroad Bridge |
|
|
Monroe
|
|
|
Brooklyn Bridge |
|
|
New York City
|
|
|
Washington Bridge |
|
|
New York City
|
|
|
Ed Koch Queensboro Bridge |
|
|
New York City
|
|
|
State Theatre |
|
|
Minneapolis
|
|
|
Fugle's, Mathew, Flour Mill |
|
|
Stewartville
|
|
|
USS KIDD |
|
|
Baton Rouge, LA
|
|
|
Winona Bridge Railway Company Swing Bridge |
|
|
Winona
|
|
|
Golden Spike National Historic Site |
|
|
Promontory, UT
|
|
|
Solomonville Bridge |
|
|
Safford
|
|
|
Desert Wash Bridge |
|
|
Benson
|
|
|
Southern Pacific Railroad Repair Shops, Sparks |
|
|
Sparks
|
|
|
Cohoes Company Head Gatehouse, Dam and Headrace |
|
|
Waterford, NY
|
|
|
Cohoes Company Head Gatehouse, Dam and Headrace |
|
|
Colonie
|
|
|
Cohoes Company Head Gatehouse, Dam and Headrace |
|
|
Cohoes
|
|
|
Cresswell, George, Furnace |
|
|
Potosi
|
|
|
Horse Creek Bridge |
|
|
McKenzie Bridge
|
|
|
Ten Pound Island Light |
|
|
Gloucester, MA
|
|
|
Burkeville Covered Bridge |
|
|
Conway, MA
|
|
|
Witherup Bridge |
|
|
Kennerdell
|
|
|
Bridge in Plunkett's Creek Township |
|
|
Proctor
|
|
|
Wells Street Bridge |
|
|
Fort Wayne
|
|
|
Wetumka Cemetery Pavilion and Fence |
|
|
Wetumka
|
|
|
Bryan Bridge |
|
|
Valentine
|
|
|
Liberty Bridge |
|
|
Pittsburgh
|
|
|
County Bridge No 171 |
|
|
Malvern
|
|
|
Brower's Bridge |
|
|
Warwick
|
|
|
Bridge in Lykens Township No 1 |
|
|
Edman
|
|
|
McClay's Twin Bridge (West) |
|
|
Middle Spring
|
|
|
Bridge between Guilford and Hamilton Townships |
|
|
Social Island
|
|
|
Bridge in Upper Merion Township |
|
|
Gulph Mills
|
|
|
Horse Valley Bridge |
|
|
Upper Strasburg
|
|
|
Nubia Bridge |
|
|
Groton, NY
|
|
|
Mauch Chunk and Summit Hill Switchback Railroad |
|
|
Jim Thorpe
|
|
|
USS BECUNA (SS-319) |
|
|
Philadelphia, PA
|
|
|
Western Division of the PA Canal |
|
|
Robinson
|
|
|
Delaware and Hudson Canal |
|
|
High Falls
|
|
|
Delaware and Hudson Canal |
|
|
Lackawaxen
|
|
|
Delaware and Hudson Canal |
|
|
Honesdale, PA
|
|
|
Delaware and Hudson Canal |
|
|
Minisink
|
|
|
Delaware and Hudson Canal |
|
|
Cuddebackville
|
|
|
Mercer's Mill Covered Bridge |
|
|
Christiana
|
|
|
Mercer's Mill Covered Bridge |
|
|
Atglen
|
|
|
Booth-Kelly Railroad Bridge |
|
|
Springfield
|
|
|
Sanders Bridge |
|
|
Sanders
|
|
|
Allentown Bridge |
|
|
Houck
|
|
|
Douglas Underpass |
|
|
Douglas
|
|
|
Hereford Bridge |
|
|
Hereford
|
|
|
Bodwell Water Power Company Plant |
|
|
Milford
|
|
|
Canyon Diablo Bridge |
|
|
Winona
|
|
|
Canyon Padre Bridge |
|
|
Flagstaff
|
|
|
Dead Indian Canyon Bridge |
|
|
Desert View
|
|
|
Black River Bridge |
|
|
Carrizo
|
|
|
Reppy Avenue Bridge |
|
|
Miami
|
|
|
Salt River Canyon Bridge |
|
|
Carrizo
|
|
|
Salt River Bridge |
|
|
Roosevelt
|
|
|
Fossil Creek Bridge |
|
|
Camp Verde
|
|
|
Fossil Creek Bridge |
|
|
Strawberry
|
|
|
Park Avenue Bridge |
|
|
Clifton
|
|
|
Gila River Bridge |
|
|
Clifton
|
|
|
Black Gap Bridge |
|
|
Clifton
|
|
|
Fairfield Rice Mill Chimney |
|
|
Georgetown, SC
|
|
|
Pine Creek Bridge |
|
|
Tortilla Flat
|
|
|
Mormon Flat Bridge |
|
|
Tortilla Flat
|
|
|
Hassayampa River Bridge |
|
|
Hassayampa
|
|
|
Gila Bend Overpass |
|
|
Gila Bend
|
|
|
Weehaw Rice Mill Chimney |
|
|
Georgetown, SC
|
|
|
Woodruff Bridge |
|
|
Woodruff
|
|
|
Winslow Underpass |
|
|
Winslow, AZ
|
|
|
St Joseph Bridge |
|
|
Joseph City
|
|
|
Jack's Canyon Bridge |
|
|
Winslow, AZ
|
|
|
Holbrook Bridge |
|
|
Holbrook
|
|
|
Corduroy Creek Bridge |
|
|
Show Low
|
|
|
Cedar Canyon Bridge |
|
|
Show Low
|
|
|
Sand Hollow Wash Bridge |
|
|
Littlefield
|
|
|
Stone Avenue Underpass |
|
|
Tucson
|
|
|
Sixth Avenue Underpass |
|
|
Tucson
|
|
|
Fourth Avenue Underpass |
|
|
Tucson
|
|
|
Cienega Bridge |
|
|
Vail
|
|
|
Sacaton Dam Bridge |
|
|
Sacaton
|
|
|
Mineral Creek Bridge |
|
|
Kelvin
|
|
|
Santa Cruz Bridge No 1 |
|
|
Nogales
|
|
|
Lilly Bridge |
|
|
Lilly
|
|
|
Medio Creek Bridge |
|
|
Normanna
|
|
|
County Bridge No 36 |
|
|
Portland
|
|
|
Fortieth Street Bridge |
|
|
Pittsburgh
|
|
|
Fortieth Street Bridge |
|
|
Millvale
|
|
|
Bridge in Jefferson Borough |
|
|
Cochrans Mill
|
|
|
Jerome Street Bridge |
|
|
McKeesport
|
|
|
Jerome Street Bridge |
|
|
Glassport
|
|
|
Bridge in Athens Township |
|
|
Athens
|
|
|
Marshall's Bridge |
|
|
Little Washington
|
|
|
Bridge in West Fallowfield Township |
|
|
Steelville
|
|
|
County Bridge No 148 |
|
|
Westtown
|
|
|
Webster Donora Bridge |
|
|
Donora
|
|
|
Webster Donora Bridge |
|
|
Webster
|
|
|
Charleroi-Monessen Bridge |
|
|
Monessen
|
|
|
Charleroi-Monessen Bridge |
|
|
Charleroi
|
|
|
Thompson-Cape Dam and Ditch Engineering Structure (41HY64) |
|
|
San Marcos
|
|
|
Big Rocky Fork Bridge |
|
|
Mansfield
|
|
|
Bowsher Ford Bridge |
|
|
Rockville
|
|
|
Catlin Bridge |
|
|
Rockville
|
|
|
Conley's Ford Bridge |
|
|
Bridgeton
|
|
|
Cox Ford Bridge |
|
|
Rockville
|
|
|
Crooks Bridge |
|
|
Bridgeton
|
|
|
Harry Evans Bridge |
|
|
Mecca
|
|
|
Jeffries Ford Bridge |
|
|
Bridgeton
|
|
|
Leatherwood Station Bridge |
|
|
Montezuma
|
|
|
Mansfield Bridge |
|
|
Mansfield
|
|
|
Marshall Bridge |
|
|
Rockville
|
|
|
McAllister Bridge |
|
|
Bridgeton
|
|
|
Mecca Bridge |
|
|
Mecca
|
|
|
Melcher Bridge |
|
|
Montezuma
|
|
|
Mill Creek Bridge |
|
|
Rockville
|
|
|
Narrows Bridge |
|
|
Rockville
|
|
|
Neet Bridge |
|
|
Bridgeton
|
|
|
Nevins Bridge |
|
|
Bridgeton
|
|
|
Phillips Bridge |
|
|
Montezuma
|
|
|
Portland Mills Bridge |
|
|
Marshall
|
|
|
Roseville Bridge |
|
|
Mecca
|
|
|
Rush Creek Bridge |
|
|
Rockville
|
|
|
Sim Smith Bridge |
|
|
Montezuma
|
|
|
State Sanitorium Bridge |
|
|
Rockville
|
|
|
Thorpe Ford Bridge |
|
|
Mecca
|
|
|
Wilkins Mill Bridge |
|
|
Rockville
|
|
|
Zacke Cox Bridge |
|
|
Mecca
|
|
|
Whitesbog Historic District |
|
|
Whiting
|
|
|
Whitesbog Historic District |
|
|
Browns Mills
|
|
|
Dean Road Bridge |
|
|
South Amherst
|
|
|
Dean Road Bridge |
|
|
Birmingham
|
|
|
WAVERTREE |
|
|
New York City
|
|
|
WAVERTREE |
|
|
South Street Seaport
|
|
|
Wamesit Canal-Whipple Mill Industrial Complex |
|
|
Lowell, MA
|
|
|
McDonald's-Kline's Mill |
|
|
Bedminster
|
|
|
Antietam Furnace Complex Archeological Site |
|
|
Hagerstown, MD
|
|
|
CUMBERLAND |
|
|
Isle Royale National Park
|
|
|
EMPEROR |
|
|
Isle Royale National Park
|
|
|
GEORGE M COX |
|
|
Isle Royale National Park
|
|
|
GLENLYON |
|
|
Isle Royale National Park
|
|
|
KAMLOOPS |
|
|
Isle Royale National Park
|
|
|
MONARCH |
|
|
Isle Royale National Park
|
|
|
Hacienda Buena Union |
|
|
San German
|
|
|
North Canal |
|
|
Lawrence
|
|
|
Rendezvous Docking Simulator |
|
|
Hampton
|
|
|
Monomoy Point Lighthouse |
|
|
Chatham
|
|
|
Lombard Street Bridge |
|
|
Baltimore, MD
|
|
|
Boston Light |
|
|
Boston Harbor
|
|
|
Borden Flats Light Station |
|
|
Fall River
|
|
|
Tarpaulin Cove Light |
|
|
Elizabeth Islands
|
|
|
Cleveland Ledge Light Station |
|
|
Bourne
|
|
|
Three Sisters of Nauset (Twin Lights) |
|
|
Eastham
|
|
|
Highland Light Station |
|
|
Truro
|
|
|
Gay Head Light |
|
|
Aquinnah
|
|
|
Edgartown Harbor Light |
|
|
Edgartown
|
|
|
Marblehead Light |
|
|
Marblehead, MA
|
|
|
Butler Flats Light Station |
|
|
New Bedford
|
|
|
The Beacon |
|
|
Eastham
|
|
|
East Chop Light |
|
|
Oak Bluffs
|
|
|
Fall River Waterworks |
|
|
Fall River
|
|
|
Derby Wharf Light Station |
|
|
Salem, MA
|
|
|
Long Island Head Light |
|
|
Boston Harbor
|
|
|
Race Point Light Station |
|
|
Cape Cod National Seashore
|
|
|
Race Point Light Station |
|
|
Provincetown
|
|
|
Nobska Point Light Station |
|
|
Falmouth, MA
|
|
|
Newburyport Harbor Light |
|
|
Newburyport
|
|
|
Newburyport Harbor Front Range Light |
|
|
Newburyport
|
|
|
Straightsmouth Island Light |
|
|
Rockport, MA
|
|
|
Ned Point Light |
|
|
Mattapoisett
|
|
|
Minot's Ledge Light |
|
|
Scituate
|
|
|
West Chop Light Station |
|
|
Tisbury
|
|
|
Wing's Neck Light |
|
|
Bourne
|
|
|
Chatham Light Station |
|
|
Chatham
|
|
|
Nauset Beach Light |
|
|
Eastham
|
|
|
Housatonic River Railroad Bridge |
|
|
Stratford
|
|
|
Housatonic River Railroad Bridge |
|
|
Milford
|
|
|
Day-Vandevander Mill |
|
|
Harmon
|
|
|
Archeological Site No 1-18th Century Vessel (28ME196) |
|
|
Trenton
|
|
|
Newburyport Harbor Rear Range Light |
|
|
Newburyport
|
|
|
Ras Darge's Bridge |
|
|
Abaro
|
|
|
Strawberry Mine Historic District |
|
|
Pony
|
|
|
Steele's Covered Bridge |
|
|
Dawsonville
|
|
|
Glendale Power House |
|
|
Stockbridge
|
|
|
Oakland Historic District |
|
|
Burrillville, RI
|
|
|
Ashland Municipal Powerhouse |
|
|
Ashland
|
|
|
Hickory Creek Stone Arch Bridge |
|
|
Marvin Chapel
|
|
|
Highland Park Tower |
|
|
St Paul, MN
|
|
|
Dorris Motor Car Company |
|
|
City of St Louis
|
|
|
Rocket Propulsion Test Complex |
|
|
Bay St Louis
|
|
|
Fruitdale Bridge |
|
|
Fruitdale
|
|
|
Turner Falls Historic District |
|
|
Turner Falls
|
|
|
Fairhaven Ditch |
|
|
Bering Land Bridge National Preserve
|
|
|
Rear Lighthouse of Hilton Head Range Light Station |
|
|
Hilton Head Island, SC
|
|
|
Spiegelrei Canal |
|
|
Bruges
|
|
|
Fort Washington |
|
|
Fort Washington, MD
|
|
|
Blackledge River Railroad Bridge |
|
|
Colchester
|
|
|
Lamb-Fish Bridge |
|
|
Charleston
|
|
|
Nashua Manufacturing Company Historic District |
|
|
Nashua
|
|
|
Byram Bridge |
|
|
Frenchs Store
|
|
|
Byram Bridge |
|
|
Bryam
|
|
|
Coopersville Ironworks Site (38CK2) and Susan Furnace Site (38CK67) |
|
|
Gaffney
|
|
|
Bird Island Light |
|
|
Marion
|
|
|
Hospital Point Light Station |
|
|
Beverly
|
|
|
Long Point Light Station |
|
|
Provincetown
|
|
|
Cape Poge Light |
|
|
Edgartown
|
|
|
Graves Light Station |
|
|
Boston Harbor
|
|
|
Gateway Arch |
|
|
Gateway Arch National Park
|
|
|
Peace Dale Historic District |
|
|
South Kingstown, RI
|
|
|
McBride Covered Bridge |
|
|
Winterset
|
|
|
Fort Peck Dam |
|
|
Fort Peck
|
|
|
Marineland |
|
|
Marineland
|
|
|
Fort Nonsense (Annapolis) |
|
|
Annapolis, MD
|
|
|
Petit Manan Light Station |
|
|
Milbridge
|
|
|
Salt River Southern Pacific RR Bridge |
|
|
Tempe
|
|
|
Guttenberg Corn Canning Co |
|
|
Guttenberg
|
|
|
Springfield Downtown Historic District (Boundary Increase) |
|
|
Springfield
|
|
|
Rochester Commercial and Industrial District |
|
|
Rochester, NH
|
|
|
Grand Ledge Chair Company Plant |
|
|
Grand Ledge
|
|
|
Belton Standpipe |
|
|
Belton
|
|
|
McQuilkin, James Greer, Round Barn |
|
|
Eagle Center
|
|
|
Nus, August, Polygonal Barn |
|
|
Arlington
|
|
|
Haner, William, Polygonal Barn |
|
|
Pisgah
|
|
|
Roberts Octagon Barn |
|
|
Sharon Center
|
|
|
Dobbin Round Barn |
|
|
State Center
|
|
|
Round Barn, Pilot Grove Township |
|
|
Sennett
|
|
|
Kingston Mill Historic District |
|
|
Franklin
|
|
|
Kingston Mill Historic District |
|
|
South Brunswick
|
|
|
Kingston Mill Historic District |
|
|
Princeton
|
|
|
Darrow, George, Round Barn |
|
|
Alta Vista
|
|
|
Miller Round Barn |
|
|
Sharon Center
|
|
|
Octagon Round Barn, Indian Creek Township |
|
|
Iowa Center
|
|
|
Greenwald, I and E, Steam Engine No 1058 |
|
|
Miami, Fl
|
|
|
Humpback Bridge |
|
|
Covington
|
|
|
Hunting Creek Railroad Bridge |
|
|
Morganton, NC
|
|
|
Benjamin Banneker: SW 9 Intermediate Boundary Stone |
|
|
Arlington, VA
|
|
|
Coachella Valley Fish Traps |
|
|
Valerie
|
|
|
Matthews Fulling Mill Site |
|
|
North Brookfield
|
|
|
USS PETERHOFF |
|
|
Kure Beach
|
|
|
Mansfield Cut Underwater Archeological District |
|
|
Port Isabel
|
|
|
Mansfield Cut Underwater Archeological District |
|
|
Port Isabel
|
|
|
Sankaty Head Light |
|
|
Nantucket
|
|
|
Hendricks Head Light Station |
|
|
West Southport
|
|
|
Narraguagus Light Station |
|
|
Milbridge
|
|
|
Tenants Harbor Light Station |
|
|
Tenants Harbor
|
|
|
Walnut Hill Cotton Gin |
|
|
Knightdale
|
|
|
Burns Quarry |
|
|
Carrollton
|
|
|
James Ward Packard House |
|
|
Warren
|
|
|
Camp Lawton |
|
|
Magnolia Springs State Park
|
|
|
King Philip's Hill |
|
|
Northfield
|
|
|
Burden Iron Works Site |
|
|
Troy
|
|
|
Rapallo Viaduct |
|
|
East Hampton
|
|
|
Saugatuck River Bridge |
|
|
Westport, CT
|
|
|
Russian Hill-Vallejo Street Crest District |
|
|
San Francisco
|
|
|
Round Barn, Norway Township |
|
|
Scarville
|
|
|
Wood End Light Lookout Station |
|
|
Provincetown
|
|
|
Annisquam Harbor Light Station |
|
|
Gloucester, MA
|
|
|
Eastern Point Light Station |
|
|
Gloucester, MA
|
|
|
Brant Point Light Station |
|
|
Nantucket
|
|
|
Scituate Light |
|
|
Scituate
|
|
|
War Eagle Bridge |
|
|
War Eagle, AR
|
|
|
Hargrove Pivot Bridge |
|
|
Poplar Bluff
|
|
|
Homestead High-Level Bridge |
|
|
Pittsburgh
|
|
|
Washington Monument, Boonsboro |
|
|
Boonsboro, MD
|
|
|
Fort du Randouillet, Briancon |
|
|
Briancon, FR
|
|
|
Osage Mills Dam |
|
|
Osage Mills
|
|
|
Illinois River Bridge |
|
|
Siloam Springs
|
|
|
Doubling Point Light Station |
|
|
Bath, ME
|
|
|
Spring Point Ledge Light Station |
|
|
South Portland
|
|
|
Ram Island Light Station |
|
|
Boothbay Harbor
|
|
|
Isle Au Haut Light Station |
|
|
Isle Au Haut, ME
|
|
|
Goose Rocks Light Station |
|
|
North Haven, ME
|
|
|
Bass Harbor Head Light Station |
|
|
Acadia National Park
|
|
|
Bass Harbor Head Light Station |
|
|
Tremont
|
|
|
Whitlocks Mill Light Station |
|
|
Calais
|
|
|
Burnt Coat Harbor Light Station |
|
|
Swans Island, ME
|
|
|
KY 2541 Bridge |
|
|
Greenup
|
|
|
Heron Neck Light Station |
|
|
Vinalhaven, ME
|
|
|
Squirrel Point Light Station |
|
|
Phippsburg
|
|
|
Perkins Island Light Station |
|
|
Georgetown
|
|
|
Wood Island Light Station |
|
|
Biddeford, ME
|
|
|
Kennebec River Light Station |
|
|
Bath, ME
|
|
|
Bell Street Bridge |
|
|
Glendive, MT
|
|
|
Pumpkin Island Light Station |
|
|
Sargentville
|
|
|
Cumberland Covered Bridge |
|
|
Matthews
|
|
|
Merchants National Bank and Annex |
|
|
Indianapolis
|
|
|
Brownsville Covered Bridge |
|
|
Columbus
|
|
|
French Quarter, NOLA |
|
|
|
|
|
International Boundary Marker |
|
|
Logansport
|
|
|
International Boundary Marker |
|
|
Deadwood
|
|
|
Germany Bridge |
|
|
Rochester
|
|
|
Louisville Municipal Bridge, Pylons and Administration Building |
|
|
Louisville, KY
|
|
|
Louisville Municipal Bridge, Pylons and Administration Building |
|
|
Jeffersonville
|
|
|
Williams Bridge |
|
|
Williams
|
|
|
Rawley Point Light Station |
|
|
Two Rivers
|
|
|
North Point Lighthouse |
|
|
Milwaukee
|
|
|
Keller's Covered Bridge |
|
|
Ephrata
|
|
|
Schlichtig House |
|
|
City of St Louis
|
|
|
L'Aveyron Bridge, Belcastel |
|
|
Belcastel, FR-OCC
|
|
|
Presque Isle Light Station |
|
|
Presque Isle Township
|
|
|
Bridgeton Bridge |
|
|
Bridgeton
|
|
|
Cushman No 1 Hydroelectric Power Plant |
|
|
Hoodsport
|
|
|
Cushman No 2 Hydroelectric Power Plant |
|
|
Hoodsport
|
|
|
Elwha River Hydroelectric Power Plant |
|
|
Port Angeles
|
|
|
Glines Canyon Hydroelectric Power Plant |
|
|
Port Angeles
|
|
|
Lake Chelan Hydroelectric Power Plant |
|
|
Chelan
|
|
|
Little Falls Hydroelectric Power Plant |
|
|
Long Lake
|
|
|
Nooksack Falls Hydroelectric Power Plant |
|
|
Glacier
|
|
|
Long Lake Hydroelectric Power Plant |
|
|
Ford
|
|
|
Long Lake Hydroelectric Power Plant |
|
|
Ford
|
|
|
Onondaga County War Memorial |
|
|
Syracuse, NY
|
|
|
Fort Snelling-Mendota Bridge |
|
|
Mendota
|
|
|
Fort Snelling-Mendota Bridge |
|
|
Minneapolis
|
|
|
Kettle Falls Hotel |
|
|
Island View
|
|
|
Bernard H Pietenpol Workshop and Garage |
|
|
Spring Valley
|
|
|
Winnibigoshish Lake Dam |
|
|
Inger
|
|
|
Winnibigoshish Lake Dam |
|
|
Bena
|
|
|
Cota Round Barns, St Cloud |
|
|
St Cloud, MN
|
|
|
First Baptist Church |
|
|
Lake Crystal, MN
|
|
|
Marsh Concrete Rainbow Arch Bridge |
|
|
Cambria, MN
|
|
|
Knisley, Dr, Covered Bridge |
|
|
Alum Bank
|
|
|
Pioneer Mine Buildings and A Headframe |
|
|
Ely
|
|
|
Goodsell Observatory-Carleton College |
|
|
Northfield, MN
|
|
|
Norwalk Island Lighthouse |
|
|
Norwalk
|
|
|
Terrace Mill Historic District |
|
|
Sedan
|
|
|
Daniel Pennie House |
|
|
Villard
|
|
|
Church of St Bernard-Catholic |
|
|
St Paul, MN
|
|
|
Wesley Methodist Episcopal Church |
|
|
Minneapolis
|
|
|
Longyear, E J, First Diamond Drill Site |
|
|
Hoyt Lake
|
|
|
Frank's Ford Bridge |
|
|
Oronoco
|
|
|
Tunnel Mill |
|
|
Spring Valley
|
|
|
Kettle Falls Historic District |
|
|
Island View
|
|
|
Bridge No 4846 (1) |
|
|
Kasota
|
|
|
Northern Pacific Railroad Shops Historic District |
|
|
Brainerd
|
|
|
Chicago, Milwaukee, St Paul and Pacific Depot, Freight House and Train Shed |
|
|
Minneapolis
|
|
|
Bruce Mine Headframe |
|
|
Chisholm
|
|
|
Ironton Sintering Plant Complex |
|
|
Crosby
|
|
|
Kern Bridge |
|
|
Minneopa State Park, MN
|
|
|
Hanover Bridge |
|
|
Hanover
|
|
|
Hanover Bridge |
|
|
Rogers
|
|
|
The Corner Ballpark |
|
|
Detroit
|
|
|
Keniston Bridge |
|
|
Andover
|
|
|
Seha Sorghum Mill |
|
|
Janesville
|
|
|
Fair Haven Flour Mill |
|
|
Fairhaven
|
|
|
Cilleyville Bridge |
|
|
Andover
|
|
|
Cartwright Creek Bridge |
|
|
Springfield, KY
|
|
|
Beech Fork Bridge, Mackville Road |
|
|
Springfield, KY
|
|
|
Doe Run Trestle |
|
|
Springfield, KY
|
|
|
Geodetic Center of the United States |
|
|
Osborne
|
|
|
Butte, Anaconda and Pacific Railway Historic District |
|
|
Butte
|
|
|
Butte, Anaconda and Pacific Railway Historic District |
|
|
Anaconda, MT
|
|
|
Weddle Bridge |
|
|
Crabtree
|
|
|
Pisgah Rural Historic District |
|
|
Lexington, KY
|
|
|
Pisgah Rural Historic District |
|
|
Versailles, KY
|
|
|
Fauba Archaelogical Site |
|
|
Tol Island
|
|
|
Heiau in Kukuipahu |
|
|
Hawi
|
|
|
He'eia Fishpond |
|
|
He'eia State Park
|
|
|
Portsmouth Earthworks, Group A |
|
|
South Portsmouth
|
|
|
Rota Latte Stone Quarry |
|
|
Songsong
|
|
|
Between the Rivers Historic District |
|
|
Rome, GA
|
|
|
Khaju Bridge |
|
|
Esfahan (Isfahan)
|
|
|
North Union Shaker Site |
|
|
Cleveland
|
|
|
Old Vicksburg Bridge |
|
|
Vicksburg
|
|
|
Old Vicksburg Bridge |
|
|
Delta, LA
|
|
|
Brown's Race Historic District |
|
|
City of Rochester
|
|
|
Pratt City Carline Historic District |
|
|
Birmingham
|
|
|
Longwood Covered Bridge |
|
|
Connersville
|
|
|
Fort Pemberton Site |
|
|
Charleston, SC
|
|
|
Sycamore Mills Site |
|
|
Ashland City, TN
|
|
|
Wilson Utility Pottery Kilns Archeological District |
|
|
Seguin, TX
|
|
|
Kirbee Kiln Site |
|
|
Montgomery
|
|
|
Mission Creek Dam and Acequia Site |
|
|
Victoria
|
|
|
Andreas Canyon |
|
|
Palm Springs
|
|
|
Tahquitz Canyon |
|
|
Palm Springs
|
|
|
The Lydia |
|
|
San Francisco
|
|
|
Fort Bramlette |
|
|
Nicholasville
|
|
|
Kelly's Suwanee Furnace Office |
|
|
Kuttawa
|
|
|
McCulloch's Gold Mill |
|
|
Jamestown
|
|
|
Hornsby Bridge |
|
|
Eminence
|
|
|
Ked Ra Ngchemiangel |
|
|
Ameliik
|
|
|
The Stockade |
|
|
Florence
|
|
|
Delaware Breakwater and Lewes Harbor |
|
|
Cape Henlopen State Park, DE
|
|
|
Oceanic Hotel on Star Island |
|
|
Isles of Shoals
|
|
|
Kahaluu Historic District |
|
|
Holualoa
|
|
|
Poesten Kill Gorge Historic District |
|
|
Troy
|
|
|
Ashley Hall Plantation |
|
|
Charleston, SC
|
|
|
Waverly Bridge |
|
|
Waverly
|
|
|
Waverly Bridge |
|
|
Columbus
|
|
|
Midgley, W W, Bridge |
|
|
Sedona
|
|
|
Winslow Bridge |
|
|
Winslow, AZ
|
|
|
Miami Avenue Bridge |
|
|
Miami
|
|
|
Keystone Avenue Bridge |
|
|
Miami
|
|
|
Inspiration Avenue Bridge |
|
|
Miami
|
|
|
Perkinsville Bridge |
|
|
Ash Fork
|
|
|
Walnut Creek Bridge |
|
|
Simmons
|
|
|
Boulder Creek Bridge |
|
|
Tortilla Flat
|
|
|
Holbrook Bridge on Az 77 |
|
|
Holbrook
|
|
|
Fourteen Foot Bank Light |
|
|
Bowers, DE
|
|
|
Marcus Hook Range Rear Light |
|
|
Wilmington, DE
|
|
|
Reedy Island Range Rear Light |
|
|
Taylors Bridge, DE
|
|
|
Marsh Rainbow Arch Bridge |
|
|
Lake City, IA
|
|
|
Valley Forge (40DS28) |
|
|
Charlotte
|
|
|
Patterson Forge (40CH87) |
|
|
Narrows Of The Harpeth, TN
|
|
|
Brownsport II Furnace (40DR86) (Boundary Increase) |
|
|
Decaturville
|
|
|
Peninsula Village Historic District |
|
|
Cuyahoga Valley National Park
|
|
|
Verde River Bridge |
|
|
Paulden
|
|
|
Lynx Creek Bridge |
|
|
Prescott
|
|
|
Little Hell Canyon Bridge |
|
|
Drake
|
|
|
Walnut Grove Bridge |
|
|
Walnut Grove
|
|
|
Kelvin Bridge |
|
|
Kelvin
|
|
|
Devil's Canyon Bridge |
|
|
Superior, AZ
|
|
|
Queen Creek Bridge |
|
|
Superior, AZ
|
|
|
Queen Creek Bridge |
|
|
Florence Junction
|
|
|
San Tan Canal Bridge |
|
|
Sacaton
|
|
|
Winkelman Bridge |
|
|
Winkelman
|
|
|
Old Trails Bridge |
|
|
Topock
|
|
|
Lewis and Pranty Creek Bridge |
|
|
Tortilla Flat
|
|
|
Walnut Canyon Bridge |
|
|
Winona
|
|
|
Pumphouse Wash Bridge |
|
|
Flagstaff
|
|
|
Querino Canyon Bridge |
|
|
Houck
|
|
|
John I Howe House |
|
|
Derby
|
|
|
Miller Ree Creek Bridge |
|
|
Miller
|
|
|
Stairs Station Hydroelectric Power Plant Historic District |
|
|
Salt Lake City
|
|
|
Granite Hydroelectric Power Plant Historic District |
|
|
Salt Lake City
|
|
|
Devil's Gate-Weber Hydroelectric Power Plant Historic District |
|
|
Uintah
|
|
|
Devil's Gate-Weber Hydroelectric Power Plant Historic District |
|
|
Ogden
|
|
|
Cutler Hydroelectric Power Plant Historic District |
|
|
Beaver Dam
|
|
|
Union Civil War Fortification |
|
|
Napier
|
|
|
Cedar Grove Furnace |
|
|
Linden
|
|
|
Cedar Grove Furnace (40PY77)(Boundary Increase) |
|
|
Pope
|
|
|
Northwestern Railroad Bridge, Eau Claire |
|
|
Eau Claire, WI
|
|
|
Yakima Valley Transportation Company |
|
|
Yakima
|
|
|
Fremont Powerhouse |
|
|
Granite
|
|
|
Owens Creek Bridge |
|
|
Utica
|
|
|
Highway 11 Bridge over Chunky River |
|
|
Enterprise
|
|
|
Enterprise Bridge |
|
|
Enterprise
|
|
|
Eddiceton Bridge |
|
|
Eddiceton
|
|
|
Motley Slough Bridge |
|
|
Columbus
|
|
|
Widow's Creek Bridge |
|
|
Port Gibson
|
|
|
Tibbee Bridge |
|
|
West Point
|
|
|
Stuckey's Bridge |
|
|
Meridian
|
|
|
Tiffany Stone Bridge |
|
|
Tiffany
|
|
|
Bahala Creek Bridge |
|
|
Oma
|
|
|
Big Black River Railroad Bridge |
|
|
Bovina
|
|
|
Big Black River Railroad Bridge |
|
|
Edwards
|
|
|
Fairground Street Bridge |
|
|
Vicksburg
|
|
|
Confederate Avenue Brick Arch Bridge |
|
|
Vicksburg
|
|
|
Leaf River Bridge |
|
|
McClain
|
|
|
Gatesville Bridge |
|
|
Gatesville
|
|
|
Gatesville Bridge |
|
|
Pearl
|
|
|
Shubuta Bridge |
|
|
Shubuta
|
|
|
Homochitto River Bridge |
|
|
Hazlehurst
|
|
|
Yellow Creek Bridge |
|
|
Waynesboro
|
|
|
Millanville-Skinners Falls Bridge |
|
|
Milanville, PA
|
|
|
Millanville-Skinners Falls Bridge |
|
|
Narrowsburg, NY
|
|
|
Pond Eddy Bridge |
|
|
Pond Eddy
|
|
|
Pond Eddy Bridge |
|
|
Pond Eddy
|
|
|
Yeakle's Mill Bridge |
|
|
Yeakle Mill
|
|
|
CHESTER A CONGDON |
|
|
Isle Royale National Park
|
|
|
Duluth and Iron Range Railway Ore Dock No 6 |
|
|
Two Harbors
|
|
|
John's Burnt Mill Bridge |
|
|
New Oxford
|
|
|
Westinghouse, George, Memorial Bridge |
|
|
East Pittsburgh
|
|
|
McDaniels Covered Bridge |
|
|
Bedford
|
|
|
Snooks Covered Bridge |
|
|
Alum Bank
|
|
|
Feltons Mill Covered Bridge |
|
|
Bedford
|
|
|
Jacksons Mill Covered Bridge |
|
|
Bedford
|
|
|
Ryot Covered Bridge |
|
|
Fishertown
|
|
|
Hewitt Covered Bridge |
|
|
Hewitt
|
|
|
Halls Mill Covered Bridge |
|
|
Hopewell
|
|
|
Heirline Covered Bridge |
|
|
Manns Choice
|
|
|
Diehls Covered Bridge |
|
|
New Buena Vista
|
|
|
Osterburg Covered Bridge |
|
|
Osterburg
|
|
|
New Paris Covered Bridge |
|
|
New Paris
|
|
|
Fischtner Covered Bridge |
|
|
Stringtown
|
|
|
Dreibelbis Station Bridge |
|
|
Kutztown
|
|
|
Kutz's Mill Bridge |
|
|
Kutztown
|
|
|
Greisemer's Mill Bridge |
|
|
Oley Township
|
|
|
Pleasantville Bridge |
|
|
Oley Township
|
|
|
Wertz's Covered Bridge |
|
|
Reading
|
|
|
Cope's Bridge |
|
|
Marshallton
|
|
|
Knecht's Mill Covered Bridge |
|
|
Springtown
|
|
|
Erwinna Covered Bridge |
|
|
Erwinna
|
|
|
Bridge Valley Bridge |
|
|
Hartsville
|
|
|
Pine Valley Covered Bridge |
|
|
New Britain
|
|
|
Mood's Covered Bridge |
|
|
Perkasie
|
|
|
South Perkasie Covered Bridge |
|
|
Perkasie
|
|
|
Loux Covered Bridge |
|
|
Pipersville
|
|
|
Cabin Run Covered Bridge |
|
|
Point Pleasant
|
|
|
Frankenfield Covered Bridge |
|
|
Point Pleasant
|
|
|
Sheard's Mill Covered Bridge |
|
|
Richardtown
|
|
|
Haupt's Mill Covered Bridge |
|
|
Springtown
|
|
|
Little Gap Covered Bridge |
|
|
Little Gap
|
|
|
Hall's Bridge |
|
|
Chester Springs
|
|
|
County Bridge No 124 |
|
|
Downingtown
|
|
|
Gibson's Covered Bridge |
|
|
Downingtown
|
|
|
Larkin Covered Bridge |
|
|
Downingtown
|
|
|
Kennedy Bridge |
|
|
Kimberton
|
|
|
Bartram's Covered Bridge |
|
|
Newtown Square
|
|
|
Bartram's Covered Bridge |
|
|
Media
|
|
|
Glen Hope Covered Bridge |
|
|
West Grove
|
|
|
Rudolph and Arthur Covered Bridge |
|
|
West Grove
|
|
|
Speakman No 1 |
|
|
Modena
|
|
|
Speakman No 2, Mary Ann Pyle Bridge |
|
|
Modena
|
|
|
Rapps Bridge |
|
|
Mont Clare
|
|
|
Linton Stevens Covered Bridge |
|
|
New London
|
|
|
Hare's Hill Road Bridge |
|
|
Phoenixville
|
|
|
Logan Mills Covered Bridge |
|
|
Loganton
|
|
|
Pool Forge Covered Bridge |
|
|
Churchtown
|
|
|
Weaver's Mill Covered Bridge |
|
|
Churchtown
|
|
|
Forry's Mill Covered Bridge |
|
|
Columbia
|
|
|
Seigrist's Mill Covered Bridge |
|
|
Columbia
|
|
|
Butcher's Mill Covered Bridge |
|
|
Denver
|
|
|
Bitzer's Mill Covered Bridge |
|
|
Ephrata
|
|
|
Leaman Place Covered Bridge |
|
|
Intercourse
|
|
|
White Rock Forge Covered Bridge |
|
|
Kirkwood
|
|
|
Landis Mill Covered Bridge |
|
|
Lancaster, PA
|
|
|
Pinetown Covered Bridge |
|
|
Lancaster, PA
|
|
|
Buck Hill Farm Covered Bridge |
|
|
Lititz
|
|
|
Shearer's Covered Bridge |
|
|
Manheim
|
|
|
Kaufman's Distillery Covered Bridge |
|
|
Manheim
|
|
|
Colemanville Covered Bridge |
|
|
Pequea
|
|
|
Lime Valley Covered Bridge |
|
|
Refton
|
|
|
Erb's Covered Bridge |
|
|
Rothsville
|
|
|
Herr's Mill Covered Bridge |
|
|
Soundersbury
|
|
|
Neff's Mill Covered Bridge |
|
|
Strasburg
|
|
|
Red Run Covered Bridge |
|
|
Terre Hill
|
|
|
Baumgardner's Mill Covered Bridge |
|
|
Willow Street
|
|
|
Pine Grove Covered Bridge |
|
|
Kirkwood
|
|
|
Pine Grove Covered Bridge |
|
|
Oxford
|
|
|
Shenk's Mill Covered Bridge |
|
|
Manheim
|
|
|
Risser's Mill Covered Bridge |
|
|
Manheim
|
|
|
Jackson's Mill Covered Bridge |
|
|
Kirkwood
|
|
|
Harrington Covered Bridge |
|
|
Albion
|
|
|
Gudgeonville Covered Bridge |
|
|
Girard
|
|
|
Waterford Covered Bridge |
|
|
Waterford
|
|
|
Zook's Mill Covered Bridge |
|
|
Brownstown
|
|
|
Banks Covered Bridge |
|
|
New Wilmington
|
|
|
McConnell's Mill Covered Bridge |
|
|
Princeton
|
|
|
Bogert Covered Bridge |
|
|
Allentown
|
|
|
Schlicher Covered Bridge |
|
|
Allentown
|
|
|
Geiger Covered Bridge |
|
|
Orefield
|
|
|
Manasses Guth Covered Bridge |
|
|
Orefield
|
|
|
Rex Covered Bridge |
|
|
Orefield
|
|
|
Wehr Covered Bridge |
|
|
Orefield
|
|
|
Bittenbender Covered Bridge |
|
|
Huntington Mills
|
|
|
Kinzua Viaduct |
|
|
Mount Jewett
|
|
|
Horsham-Montgomery Bridge |
|
|
Fort Washington, PA
|
|
|
Old Waterworks |
|
|
Bethlehem
|
|
|
Lehigh Canal: Eastern Section Glendon and Abbott Street Industrial Sites |
|
|
Easton
|
|
|
Kreiderville Covered Bridge |
|
|
Kreiderville
|
|
|
Gross Bridge |
|
|
Beavertown
|
|
|
Beechdale Bridge |
|
|
Berlin
|
|
|
Packsaddle Bridge |
|
|
Glen Savage
|
|
|
New Baltimore Bridge |
|
|
New Baltimore
|
|
|
Glessner Bridge |
|
|
Shanksville
|
|
|
Barronvale Bridge |
|
|
Somerset
|
|
|
King's Bridge |
|
|
Somerset
|
|
|
Walter's Mill Bridge |
|
|
Somerset
|
|
|
Trostletown Bridge |
|
|
Stoystown
|
|
|
Shaffer's Bridge |
|
|
Tire Hill
|
|
|
Lower Humbert Bridge |
|
|
Ursina
|
|
|
William E Boeing House |
|
|
Shoreline
|
|
|
West Trenton Station |
|
|
West Trenton
|
|
|
Battery Osgood-Farley |
|
|
Los Angeles
|
|
|
Van Sant Covered Bridge |
|
|
New Hope
|
|
|
Grand River Ditch |
|
|
Grand Lake
|
|
|
Trail Ridge Road |
|
|
Estes Park
|
|
|
Trail Ridge Road |
|
|
Grand Lake
|
|
|
Poinsett Bridge |
|
|
Tigerville
|
|
|
Antelope Creek Covered Bridge |
|
|
Eagle Point
|
|
|
St Paul, Minneapolis, and Manitoba Railway Company Shops Historic District |
|
|
St Paul, MN
|
|
|
Pajarito Springs Site |
|
|
White Rock
|
|
|
Winter Harbor Light Station |
|
|
Winter Harbor
|
|
|
Drake Hill Road Bridge |
|
|
Simsbury
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Cheshire
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Hamden, CT
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
New Haven, CT
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Avon, CT
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
East Granby
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Farmington
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Granby
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Plainville
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Simsbury
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Southington, CT
|
|
|
Farmington Canal - New Haven and Northampton Canal |
|
|
Suffield
|
|
|
Lyman Viaduct |
|
|
Colchester
|
|
|
Pequonnock River Railroad Bridge |
|
|
Bridgeport, CT
|
|
|
Mianus River Railroad Bridge |
|
|
Greenwich
|
|
|
Riverside Avenue Bridge |
|
|
Greenwich
|
|
|
Norwalk River Railroad Bridge |
|
|
South Norwalk
|
|
|
Saugatuck River Railroad Bridge |
|
|
Westport, CT
|
|
|
Thames Shipyard |
|
|
New London, CT
|
|
|
Brandywine Village Historic District |
|
|
Wilmington, DE
|
|
|
Wilmington Waterworks |
|
|
Wilmington, DE
|
|
|
La citadelle de Blaye |
|
|
Bayle, Fr
|
|
|
Wauregan Historic District |
|
|
Plainfield
|
|
|
Bedell Bridge State Park |
|
|
Haverhill
|
|
|
Gen George Stark House |
|
|
Nashua
|
|
|
Goffstown Covered Railroad Bridge |
|
|
Goffstown, NH
|
|
|
Whittier Bridge |
|
|
Ossipee, NH
|
|
|
Ashuelot Covered Bridge |
|
|
Ashuelot
|
|
|
Phillips-Sprague Mine |
|
|
Beckley
|
|
|
Tillinghast Mill Site |
|
|
East Greenwich, RI
|
|
|
Boon Island Light Station |
|
|
York, ME
|
|
|
Little River Light Station |
|
|
Cutler
|
|
|
Mount Desert Light Station |
|
|
Frenchboro
|
|
|
Prospect Harbor Light Station |
|
|
Prospect Harbor
|
|
|
Halfway Rock Light Station |
|
|
South Harpswell
|
|
|
Lubec Channel Light Station |
|
|
Lubec
|
|
|
Great Duck Island Light Station |
|
|
Frenchboro
|
|
|
Matinicus Rock Light Station |
|
|
Matinicus Island
|
|
|
Ram Island Ledge Light Station |
|
|
Cape Elizabeth
|
|
|
Saddleback Ledge Light Station |
|
|
Vinalhaven, ME
|
|
|
Bear Island Light Station |
|
|
Cranberry Isles
|
|
|
Marshall Point Light Station |
|
|
Port Clyde, ME
|
|
|
Whaleback Light Station |
|
|
Kittery, ME
|
|
|
Goat Island Light Station |
|
|
Cape Porpoise
|
|
|
Fort Point Light Station |
|
|
Stockton Springs
|
|
|
Sakonnet Light Station |
|
|
Little Compton, RI
|
|
|
Whitehead Light Station |
|
|
Tenants Harbor
|
|
|
Northern Pacific Underpass |
|
|
Glendive, MT
|
|
|
Indian Island Light Station |
|
|
Rockport
|
|
|
Lee and Gould Furnace (40HI125) |
|
|
Bucksnort
|
|
|
Mount Vernon Memorial Highway |
|
|
Washington, DC
|
|
|
Mount Vernon Memorial Highway |
|
|
Arlington, VA
|
|
|
Mount Vernon Memorial Highway |
|
|
McLean
|
|
|
Mount Vernon Memorial Highway |
|
|
Alexandria
|
|
|
Baker Island Light Station |
|
|
Cranberry Isles
|
|
|
Rapidan Dam Canal of the Rappahannock Navigation |
|
|
Fredericksburg, VA
|
|
|
Quincy Granite Railway |
|
|
Quincy
|
|
|
Twin Lights Historic District-Cape Ann Light Station |
|
|
Rockport, MA
|
|
|
Roughan Hall |
|
|
Boston
|
|
|
Donald McKay House |
|
|
Boston
|
|
|
Alcantara Bridge |
|
|
Alcantara, ES-Ex
|
|
|
Fortress of Mont-Dauphin, Mont-Dauphin |
|
|
Mont-Dauphin, FR
|
|
|
Marked Tree Lock and Siphons |
|
|
Marked Tree
|
|
|
Antelope Creek Bridge |
|
|
Medford
|
|
|
Walnut Lane Bridge |
|
|
Philadelphia, PA
|
|
|
Bridge between East Manchester and Newberry Townships |
|
|
Conewago Heights
|
|
|
Fordyce House |
|
|
Little Rock
|
|
|
San Diego Civic Center |
|
|
San Diego, CA
|
|
|
Neosho River Bridge |
|
|
Hartford
|
|
|
Philippi Covered Bridge |
|
|
Philippi
|
|
|
Camp Washington-Carver Complex |
|
|
Clifftop
|
|
|
Herns Mill Covered Bridge |
|
|
Lewisburg
|
|
|
Simpson Creek Covered Bridge |
|
|
Bridgeport
|
|
|
Walkersville Covered Bridge |
|
|
Walkersville
|
|
|
Castle Pinckney |
|
|
Charleston, SC
|
|
|
Dents Run Covered Bridge |
|
|
Laurel Point
|
|
|
Ned Ashton House |
|
|
Iowa City
|
|
|
Mollohan Mill |
|
|
Replete
|
|
|
Power Plant and Dam No 4 |
|
|
Scrabble
|
|
|
Fletcher Covered Bridge |
|
|
Maken
|
|
|
Wilson Lake Reservoir Spillway and Canal Walls |
|
|
Eden, ID
|
|
|
Rensselaer and Saratoga Railroad: Green Island Shops |
|
|
Green Island
|
|
|
Dunkirk Light |
|
|
Dunkirk
|
|
|
Bates Round Barn |
|
|
Greene
|
|
|
Buffalo Main LIght |
|
|
Buffalo, NY
|
|
|
Tibbetts Point Light |
|
|
Cape Vincent, NY
|
|
|
Manhattan Bridge |
|
|
New York City
|
|
|
Grand Central Terminal |
|
|
New York City
|
|
|
Champlain Canal |
|
|
Fort Miller
|
|
|
Champlain Canal |
|
|
Troy
|
|
|
Champlain Canal |
|
|
Whitehall
|
|
|
Glens Falls Feeder Canal |
|
|
Hudson Falls
|
|
|
Glens Falls Feeder Canal |
|
|
Glens Falls
|
|
|
Old Croton Aqueduct |
|
|
Yonkers
|
|
|
Salisbury Turnpike Bridge |
|
|
Rhinebeck, NY
|
|
|
Double-Span Metal Pratt Truss Bridge |
|
|
Keeseville
|
|
|
Double-Span Metal Pratt Truss Bridge |
|
|
Keeseville
|
|
|
Buskirk Covered Bridge |
|
|
Buskirk
|
|
|
Eagleville Covered Bridge |
|
|
Eagleville
|
|
|
Rexleigh Covered Bridge |
|
|
Jackson
|
|
|
Shushan Covered Bridge |
|
|
Shushan
|
|
|
Thirty Mile Point Light |
|
|
Somerset
|
|
|
Spengler Bridge |
|
|
Chatham
|
|
|
Needham Street Bridge |
|
|
Newton, MA
|
|
|
Needham Street Bridge |
|
|
Needham
|
|
|
Lower Shawsheen Railroad Bridge |
|
|
Andover, MA
|
|
|
Upper Shawsheen Railroad Bridge, Andover |
|
|
Andover, MA
|
|
|
Denver and Rio Grande Western Railroad Business Car No 101 |
|
|
Othello
|
|
|
Old Alton Bridge |
|
|
Copper Canyon
|
|
|
Clinton Hall |
|
|
Ithaca
|
|
|
Milwaukee Road Historic District |
|
|
Harlowton
|
|
|
Pond Mill Bridge |
|
|
Bermudian
|
|
|
Grand Island Harbor Rear Range Light |
|
|
Christmas
|
|
|
Calf Pasture Pumping Station Complex |
|
|
Boston
|
|
|
Jack Knife Bridge |
|
|
Everett
|
|
|
Spokane, Portland and Seattle Railway Company - Box Canyon Viaduct |
|
|
Windust, WA
|
|
|
Steinerne Brucke, Regensburg |
|
|
Regensburg
|
|
|
Willapa Hills State Park Trail, WA |
|
|
Chehalis, WA
|
|
|
Willapa Hills State Park Trail, WA |
|
|
Pe Ell, WA
|
|
|
Willapa Hills State Park Trail, WA |
|
|
South Bend
|
|
|
Wishkah River Bridge |
|
|
Greenwood
|
|
|
Bridge No L1409 |
|
|
Winona
|
|
|
Pioneer Steel Elevator |
|
|
Minneapolis
|
|
|
Mechanicville Hydroelectric Plant |
|
|
Mechanicville
|
|
|
Mechanicville Hydroelectric Plant |
|
|
Mechanicville
|
|
|
Lynde Point Lighthouse |
|
|
Old Saybrook
|
|
|
Greens Ledge Lighthouse |
|
|
Rowayton
|
|
|
Peck Ledge Lighthouse |
|
|
Norwalk
|
|
|
Faulkners Island Lighthouse |
|
|
Guilford
|
|
|
Tongue Point Lighthouse |
|
|
Bridgeport, CT
|
|
|
Stratford Shoal Lighthouse |
|
|
New Haven, CT
|
|
|
Stratford Point Lighthouse |
|
|
Stratford
|
|
|
Southwest Ledge Lighthouse |
|
|
New Haven, CT
|
|
|
Saybrook Breakwater Lighthouse |
|
|
Old Saybrook
|
|
|
New London Harbor Lighthouse |
|
|
New London, CT
|
|
|
New London Ledge Lighthouse |
|
|
New London, CT
|
|
|
Corbin Bridge |
|
|
Huntingdon
|
|
|
Bridge No L4770 |
|
|
Fountain
|
|
|
Dix River Dam |
|
|
Harrodsburg
|
|
|
Dix River Dam |
|
|
Bryantsville
|
|
|
Colorado River Bridge at Bastrop |
|
|
Bastrop
|
|
|
Saline River Bridge |
|
|
Benton
|
|
|
Lake No 1 Bridge |
|
|
North Little Rock, AR
|
|
|
Edgemere Street Bridge |
|
|
North Little Rock, AR
|
|
|
Harp Creek Bridge |
|
|
Jasper
|
|
|
Upper Beaver Hydroelectric Power Plant Historic District |
|
|
Beaver
|
|
|
Pioneer Hydroelectric Power Plant Historic District |
|
|
Ogden
|
|
|
Santa Clara Hydroelectric Power Plants Historic District |
|
|
Gunlock
|
|
|
Santa Clara Hydroelectric Power Plants Historic District |
|
|
Veyo
|
|
|
Snake Creek Hydroelectric Power Plant Historic District |
|
|
Heber City
|
|
|
Upper American Fork Hydroelectric Power Plant Historic District |
|
|
Highland
|
|
|
Fountain Green Hydroelectric Plant Historic District |
|
|
Fountain Green
|
|
|
Mount Royal Station |
|
|
Baltimore, MD
|
|
|
Manchester Street Bridge |
|
|
Baraboo, WI
|
|
|
Inapsan Spanish Oven |
|
|
Andersen Air Force Base, GU
|
|
|
Long Lick Creek Bridge |
|
|
Willisburg
|
|
|
McKees Rocks Bridge |
|
|
Pittsburgh
|
|
|
McKees Rocks Bridge |
|
|
McKee Rocks
|
|
|
Joso Viaduct |
|
|
Lyons Ferry State Park, WA
|
|
|
Patterson Forge (40CH87) (Boundary Increase) |
|
|
Narrows Of The Harpeth, TN
|
|
|
Woodrow Wilson Bridge |
|
|
Jackson, MS
|
|
|
Running Water Creek Bridge |
|
|
Shuqualak
|
|
|
Keesler Bridge |
|
|
Greenwood
|
|
|
Waynesboro Bridge |
|
|
Waynesboro
|
|
|
Columbus Bridge |
|
|
Columbus
|
|
|
Woodburn Bridge |
|
|
Indianola
|
|
|
Windpoint Light Station |
|
|
Racine
|
|
|
Fort Sumter National Monument |
|
|
Charleston, SC
|
|
|
Dry Tortugas National Park |
|
|
Dry Tortugas Islands
|
|
|
Fort Matanzas National Monument |
|
|
St Augustine
|
|
|
Fort Pulaski National Monument |
|
|
Savannah
|
|
|
MUSKEGON Shipwreck Site |
|
|
Michigan City, IN
|
|
|
Ronstadt-Sims Adobe Warehouse |
|
|
Tucson
|
|
|
Irish Bend Bridge |
|
|
Monroe
|
|
|
Lehigh Valley Railroad Barge No 79 |
|
|
Brooklyn NYC
|
|
|
Lloyd Harbor Lighthouse |
|
|
Huntington
|
|
|
Chicago, St Paul, Minneapolis, and Omaha Turntable |
|
|
Currie
|
|
|
USS ALBACORE |
|
|
Portsmouth, NH
|
|
|
Hobart Circle Historic District |
|
|
Troy
|
|
|
William Hobart Vacation House |
|
|
Troy
|
|
|
E A Hobart House |
|
|
Troy
|
|
|
House at 203 Penn Road |
|
|
Troy
|
|
|
House at 129 South Ridge |
|
|
Troy
|
|
|
House at 1022 West Main Street |
|
|
Troy
|
|
|
House at 121 South Ridge |
|
|
Troy
|
|
|
House at 145 South Ridge |
|
|
Troy
|
|
|
Ford Motor Company Cincinnati Plant |
|
|
Cincinnati, OH
|
|
|
Pearl Harbor |
|
|
Hawaii
|
|
|
FALLS OF CLYDE |
|
|
Honolulu
|
|
|
LUNA (tugboat) |
|
|
Boston
|
|
|
Quincy Mine No 2 Shaft Hoist House |
|
|
Hancock
|
|
|
Quincy Mining Company Historic District |
|
|
Hancock
|
|
|
Calumet Historic District |
|
|
Calumet
|
|
|
Roman Road Saglikli |
|
|
Tarsus
|
|
|
Hawthorn Hill |
|
|
Oakwood
|
|
|
Hancock-Greenfield Bridge |
|
|
Hancock
|
|
|
Broadway Bridge |
|
|
Clarkdale
|
|
|
Delaware Division of the Pennsylvania Canal |
|
|
Bristol
|
|
|
Delaware Division of the Pennsylvania Canal |
|
|
Easton
|
|
|
Petrified Forest Bridge |
|
|
Petrified Forest National Park
|
|
|
Citadel Mont Louis |
|
|
Mont-Louis, Pyrenees-Orientales
|
|
|
Hickahala Creek Bridge |
|
|
Senatobia
|
|
|
Twining Ford Covered Bridge |
|
|
Newtown Township
|
|
|
Carman Covered Bridge |
|
|
West Springfield
|
|
|
Mission Parkway |
|
|
San Antonio, TX
|
|
|
Ohio Hospital For Epileptics Stone Water Towers |
|
|
Gallipolis
|
|
|
Erie Canal Schoharie Crossing |
|
|
Fort Hunter, NY
|
|
|
Bridge over Arkansas River |
|
|
Buena Vista
|
|
|
Detroit Avenue Bridge |
|
|
Lakewood
|
|
|
Detroit Avenue Bridge |
|
|
Rocky River
|
|
|
Red Cliff Bridge |
|
|
Red Cliff
|
|
|
Rifle Bridge |
|
|
Rifle
|
|
|
Fruita Bridge |
|
|
Fruita
|
|
|
US Army Museum Hawaii |
|
|
Honolulu
|
|
|
US Army Museum Hawaii |
|
|
Fort DeRussy Beach Park
|
|
|
Ingalls Building |
|
|
Cincinnati, OH
|
|
|
Hill, Jediah, Covered Bridge |
|
|
Cincinnati, OH
|
|
|
Buckeye Furnace Covered Bridge |
|
|
Wellston
|
|
|
B and O Railroad Viaduct |
|
|
Bellaire
|
|
|
Horseshoe Curve |
|
|
Altoona
|
|
|
Mill Road Bowstring Bridge |
|
|
Bladensburg
|
|
|
Goldstream Dredge No 8 |
|
|
Fairbanks
|
|
|
First Concrete Street In US |
|
|
Bellefontaine
|
|
|
Fairport Marine Museum |
|
|
Fairport Harbor
|
|
|
Reading Terminal and Trainshed |
|
|
Philadelphia, PA
|
|
|
Smithfield Street Bridge |
|
|
Pittsburgh
|
|
|
McColly Covered Bridge |
|
|
Bloom Center
|
|
|
Lorain Lighthouse |
|
|
Lorain
|
|
|
Maumee Sidecut |
|
|
Maumee
|
|
|
S Bridge, National Road |
|
|
Old Washington
|
|
|
Youngstown Sheet and Tube Company Housing |
|
|
Campbell
|
|
|
Charles F Kettering House |
|
|
Kettering
|
|
|
White's-Vale Mill |
|
|
Athens
|
|
|
Harshaville Covered Bridge |
|
|
Harshaville
|
|
|
Ford River Rouge Complex |
|
|
Dearborn
|
|
|
Highland Park Plant, Ford Motor Company |
|
|
Highland Park, MI
|
|
|
Cleveland Warehouse District |
|
|
Cleveland
|
|
|
Adams Power Plant Transformer House |
|
|
Niagara Falls, NY
|
|
|
Harpersfield Covered Bridge |
|
|
Harpersfield
|
|
|
Kirker Covered Bridge |
|
|
West Union
|
|
|
Rossville Historic District |
|
|
Hamilton
|
|
|
Blackwood Covered Bridge |
|
|
Athens
|
|
|
Wiswell Road Covered Bridge |
|
|
Windsor Mills
|
|
|
Pugh's Mill Covered Bridge |
|
|
Oxford
|
|
|
Palos Covered Bridge |
|
|
Glouster
|
|
|
Martinsville Road Covered Bridge |
|
|
Martinsville
|
|
|
Helmick Covered Bridge |
|
|
Blissfield
|
|
|
Cleveland And Pittsburgh Railroad Bridge |
|
|
Bedford, OH
|
|
|
Bay View Hospital |
|
|
Bay Village, OH
|
|
|
Chambers Road Covered Bridge |
|
|
Olive Green
|
|
|
Detroit-Superior High Level Bridge |
|
|
Cleveland
|
|
|
Division Avenue Pumping Station |
|
|
Cleveland
|
|
|
Hessler Court Wooden Pavement |
|
|
Cleveland
|
|
|
Harlan House |
|
|
Embreeville
|
|
|
Kidwell Covered Bridge |
|
|
Truetown
|
|
|
Hizey Covered Bridge |
|
|
Pickerington
|
|
|
Rockefeller Park Bridges |
|
|
Cleveland
|
|
|
John Bright No 1 Iron Bridge |
|
|
Lancaster
|
|
|
Lorain-Carnegie Bridge |
|
|
Cleveland
|
|
|
John Bright Covered Bridge |
|
|
Lancaster
|
|
|
Superior Avenue Viaduct |
|
|
Cleveland
|
|
|
Goose Creek Foot Bridge |
|
|
Greensburg
|
|
|
Western Reserve Building |
|
|
Cleveland
|
|
|
Stonelick Covered Bridge |
|
|
Perintown
|
|
|
Greenbank Historic Area - Philips |
|
|
Marshallton, DE
|
|
|
Greenbank Historic Area |
|
|
Marshallton, DE
|
|
|
Stone Arch Bridge |
|
|
Kenoza Lake
|
|
|
Clarksburg Downtown Historic District (Boundary Decrease) |
|
|
Clarksburg
|
|
|
High Bridge |
|
|
Coatesville
|
|
|
Harrisburg Central Railroad Station and Trainshed |
|
|
Harrisburg
|
|
|
Walnut Street Bridge, Harrisburg |
|
|
Harrisburg
|
|
|
Rockville Bridge |
|
|
Rockville
|
|
|
Rockville Bridge |
|
|
Marysville
|
|
|
Hays Bridge Historic District |
|
|
Mercersburg, PA
|
|
|
Burnt Cabins Gristmill Property |
|
|
Burnt Cabins
|
|
|
Forsythe Covered Bridge |
|
|
Rushville
|
|
|
Moscow Covered Bridge |
|
|
Rushville
|
|
|
Norris Ford Covered Bridge |
|
|
Rushville
|
|
|
Offutt Covered Bridge |
|
|
Rushville
|
|
|
Alamo National Bank Building |
|
|
San Antonio, TX
|
|
|
Crum Road Bridge |
|
|
Walkersville
|
|
|
Seattle Electric Company Georgetown Steam Plant |
|
|
Seattle
|
|
|
English Center Suspension Bridge |
|
|
English Center, PA
|
|
|
Fort Livingston |
|
|
Grand Isle
|
|
|
Evansburg Historic District |
|
|
Evansburg
|
|
|
Keefer Covered Bridge No 7 |
|
|
Washingtonville
|
|
|
Davidson, Tyler, Fountain |
|
|
Cincinnati, OH
|
|
|
Fort Proctor |
|
|
Shell Beach
|
|
|
Cartersville Bridge |
|
|
Cartersville
|
|
|
Bailey's Dam Site |
|
|
Alexandria
|
|
|
1872 California-Nevada State Boundary Marker |
|
|
Verdi
|
|
|
1872 California-Nevada State Boundary Marker |
|
|
Verdi
|
|
|
Lock No 32 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 31 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 30 and Feeder Dam |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 29 and Aqueduct |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 28 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 27 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 26 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 33 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 34 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 35 |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 37 and Spillway |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 38 and Spillway |
|
|
Cuyahoga Valley National Park
|
|
|
Lock No 39 and Spillway |
|
|
Cuyahoga Valley National Park
|
|
|
Marconi Wireless Station Site |
|
|
Cape Cod National Seashore
|
|
|
Moro Rock Stairway |
|
|
Sequoia National Park
|
|
|
Ohio and Erie Canal Deep Lock |
|
|
Cuyahoga Valley National Park
|
|
|
Pumping Station No 2 San Francisco Fire Department Auxiliary Water Supply System |
|
|
San Francisco
|
|
|
Redwood Highway |
|
|
Klamath Coastal
|
|
|
Arlington Memorial Bridge |
|
|
Washington, DC
|
|
|
Arlington Memorial Bridge |
|
|
Arlington, VA
|
|
|
Boston Naval Shipyard |
|
|
Boston
|
|
|
MacKay School of Mines Building |
|
|
Reno, NV
|
|
|
Purdon Crossing Bridge |
|
|
South Yuba River State Park, CA
|
|
|
Potosi |
|
|
Las Vegas
|
|
|
Fire Island Light Station |
|
|
Fire Island National Seashore
|
|
|
Fort Barrancas Historical District |
|
|
Pensacola, FL
|
|
|
Lakeview House |
|
|
Carson City
|
|
|
Minden Flour Milling Company |
|
|
Minden
|
|
|
Eagle Nest Dam |
|
|
Eagle Nest
|
|
|
Catskill Charcoal Ovens |
|
|
Raton
|
|
|
Apache Canyon Railroad Bridge |
|
|
Lamy
|
|
|
Unitary Plan Wind Tunnel |
|
|
Moffett Field
|
|
|
Zero Gravity Research Facility (B-2) |
|
|
Cleveland
|
|
|
Faralda Crane Hotel |
|
|
Amsterdam
|
|
|
Spacecraft Propulsion Research Facility |
|
|
Sandusky
|
|
|
Propulsion and Structural Test Facility |
|
|
Huntsville
|
|
|
Saturn V Dynamic Test Stand |
|
|
Huntsville
|
|
|
Neutral Buoyancy Space Simulator |
|
|
Huntsville
|
|
|
Space Environment Simulation Laboratory |
|
|
Johnson Space Center, TX
|
|
|
Spacecraft Magnetic Test Facility |
|
|
Greenbelt
|
|
|
Pioneer Deep Space Station |
|
|
Fort Irwin
|
|
|
Space Flight Operations Facility |
|
|
Pasadena, CA
|
|
|
Apollo Mission Control Center |
|
|
Johnson Space Center, TX
|
|
|
Acequia System of El Rancho de las Golondrinas |
|
|
Santa Fe
|
|
|
Hadley Parabolic Bridge |
|
|
Hadley
|
|
|
Arcade and Attica Railroad |
|
|
North Java
|
|
|
Copper Peak |
|
|
Ironwood
|
|
|
Fort Sumner Railroad Bridge |
|
|
Fort Sumner
|
|
|
First National Bank of Eddy |
|
|
Carlsbad
|
|
|
El Paso And Southwestern Railway Water Supply System |
|
|
Nogal
|
|
|
Otowi Historic District |
|
|
Santa Fe
|
|
|
Fort Hancock and the Sandy Hook Proving Ground Historic District |
|
|
Sandy Hook
|
|
|
Tres Piedras Railroad Water Tower |
|
|
Tres Piedras
|
|
|
Fort Massachusetts |
|
|
Ship Island (Mississippi)
|
|
|
Moriarty Eclipse Windmill |
|
|
Moriarty
|
|
|
Percha Diversion Dam |
|
|
Arrey
|
|
|
Furnace Run Aqueduct |
|
|
Cuyahoga Valley National Park
|
|
|
Elephant Butte Dam |
|
|
Elephant Butte
|
|
|
Great Sierra Wagon Road |
|
|
Yosemite National Park
|
|
|
Ryan House and Lost Horse Well |
|
|
Joshua Tree National Park
|
|
|
Perry's Victory and International Peace Memorial |
|
|
South Bass Island
|
|
|
Bergstresser Covered Bridge |
|
|
Canal Winchester
|
|
|
Station Road Bridge |
|
|
Cuyahoga Valley National Park
|
|
|
Station Road Bridge |
|
|
Brecksville
|
|
|
Statue of Liberty National Monument |
|
|
New Jersey
|
|
|
Statue of Liberty National Monument |
|
|
New York
|
|
|
Ash Fork Steel Dam |
|
|
Williams Ranger District, Kaibab NF
|
|
|
Boulder Bridge and Ross Drive Bridge |
|
|
Washington, DC
|
|
|
Water Reclamation Plant |
|
|
Grand Canyon NP - South Rim
|
|
|
Sabine Pass Lighthouse |
|
|
Cameron
|
|
|
Baton Rouge Waterworks Company Standpipe |
|
|
Baton Rouge, LA
|
|
|
Pendaries Grist Mill |
|
|
Rociada
|
|
|
Tybo Charcoal Kilns |
|
|
Tonopah
|
|
|
Coolidge Dam |
|
|
Peridot, AZ
|
|
|
Espada Aqueduct |
|
|
San Antonio, TX
|
|
|
Beaver Creek Bridge |
|
|
Wind Cave National Park
|
|
|
Succesful Sales |
|
|
Toledo, OH
|
|
|
Eldean Covered Bridge |
|
|
Troy
|
|
|
Foreaker Bridge |
|
|
Graysville
|
|
|
Twin Arch Stone Culvert |
|
|
Troy
|
|
|
Scottown Covered Bridge |
|
|
Scottown
|
|
|
Harshman Covered Bridge |
|
|
Fairhaven
|
|
|
Brubaker Covered Bridge |
|
|
Gratis
|
|
|
Warnke Covered Bridge |
|
|
Lewisburg
|
|
|
Third Street Bridge |
|
|
Canton
|
|
|
Newton Falls Covered Bridge |
|
|
Newton Falls
|
|
|
Mt Olive Road Covered Bridge |
|
|
Allensville
|
|
|
Eakin Mill Covered Bridge |
|
|
Arbaugh
|
|
|
Reed Covered Bridge |
|
|
Marysville
|
|
|
Deeds' Barn |
|
|
Kettering
|
|
|
Y Bridge |
|
|
Zanesville
|
|
|
Huffman Covered Bridge |
|
|
Middleburg
|
|
|
Dresden Suspension Bridge |
|
|
Dresden
|
|
|
Caledonia Bowstring Bridge |
|
|
Caledonia
|
|
|
Black River Viaduct, Baltimore And Ohio Railroad |
|
|
Lodi
|
|
|
Lockington Locks Historical Area |
|
|
Lockington
|
|
|
Chuckery Race |
|
|
Cuyahoga Falls
|
|
|
Kirby, James, Mill |
|
|
West Richfield
|
|
|
William Prindle Livery Stable |
|
|
Marshall
|
|
|
William H Grant House |
|
|
Middleport
|
|
|
Mill Creek Park Suspension Bridge |
|
|
Youngstown
|
|
|
Ponn Humpback Covered Bridge |
|
|
Wilkesville
|
|
|
Interurban Bridge |
|
|
Waterville
|
|
|
Interurban Bridge |
|
|
Waterville
|
|
|
Moores, JH, Memorial Natatorium |
|
|
Lansing, MI
|
|
|
Chapin Mine Steam Pump Engine |
|
|
Iron Mountain
|
|
|
Masonic Temple Building |
|
|
Kalamazoo
|
|
|
Sun Building |
|
|
Washington, DC
|
|
|
Shay Complex |
|
|
Harbor Springs
|
|
|
Geeting Covered Bridge |
|
|
Lewisburg
|
|
|
St Clair Street Bridge |
|
|
Eaton
|
|
|
Roberts Covered Bridge |
|
|
Eaton
|
|
|
Ontonagon Lighthouse |
|
|
Ontonagon
|
|
|
Stannard Rock Lighthouse |
|
|
Lake Superior
|
|
|
Davis Island Lock and Dam Site |
|
|
Avalon
|
|
|
Experimental Mine, US Bureau Of Mines |
|
|
Bruceton
|
|
|
St Clair River Tunnel |
|
|
Port Huron
|
|
|
Duquesne Incline |
|
|
Pittsburgh
|
|
|
South Salem Covered Bridge |
|
|
South Salem
|
|
|
Fort Niagara Light |
|
|
Youngstown
|
|
|
Byer Covered Bridge |
|
|
Byer
|
|
|
Shaw Historic District |
|
|
Doylestown
|
|
|
Wagner Covered Bridge No 19 |
|
|
Newlin
|
|
|
Josiah Hess Covered Bridge No 122 |
|
|
Forks
|
|
|
Fowlersville Covered Bridge |
|
|
Fowlersville
|
|
|
Johnson Covered Bridge No 28 |
|
|
Catawissa
|
|
|
Dunlap's Creek Bridge |
|
|
Brownsville
|
|
|
Patterson Covered Bridge No 112 |
|
|
Orangeville
|
|
|
Kramer Covered Bridge No 113 |
|
|
Rohrsburg
|
|
|
Riegel Covered Bridge No 6 |
|
|
Catawissa
|
|
|
Rohrbach Covered Bridge No 24 |
|
|
Catawissa
|
|
|
Parr's Mill Covered Bridge No 10 |
|
|
Parr's Mill
|
|
|
Andrew Ellicott House |
|
|
Lancaster, PA
|
|
|
Thomas Covered Bridge |
|
|
Creekside
|
|
|
Trusal Covered Bridge |
|
|
Willet
|
|
|
Harmon's Covered Bridge |
|
|
Willet
|
|
|
Kintersburg Covered Bridge |
|
|
Kintersburg
|
|
|
John Roebling House |
|
|
Saxonburg
|
|
|
St Mary's Covered Bridge |
|
|
Orbisonia
|
|
|
Thomas Viaduct, Baltimore and Ohio Railroad |
|
|
Relay
|
|
|
Thomas Viaduct, Baltimore and Ohio Railroad |
|
|
Relay
|
|
|
Reading-Halls Station Bridge |
|
|
Muncy
|
|
|
Bergy Bridge Historic District |
|
|
Harleysville
|
|
|
Skippack Bridge |
|
|
Evansburg
|
|
|
Bowman Mill Covered Bridge |
|
|
New Reading
|
|
|
Elmwood |
|
|
Sault Ste Marie
|
|
|
Neuweiler Brewery |
|
|
Allentown
|
|
|
Starrucca Viaduct |
|
|
Lanesboro
|
|
|
Loller Academy |
|
|
Hatboro
|
|
|
Ellsworth Power House and Dam |
|
|
Ellsworth, ME
|
|
|
Penobscot Narrows Bridge, ME |
|
|
Verona
|
|
|
Penobscot Narrows Bridge, ME |
|
|
Prospect
|
|
|
Ashley Planes |
|
|
Ashley
|
|
|
Coplay Cement Company Kilns |
|
|
Coplay
|
|
|
Union Canal Tunnel |
|
|
Lebanon, PA
|
|
|
Slate Creek Bridge |
|
|
Slate Creek
|
|
|
Pittsburgh and Lake Erie Railroad Complex |
|
|
Pittsburgh
|
|
|
Manitou Springs Bridges (2) |
|
|
Manitou Springs
|
|
|
Kintai Bridge |
|
|
Iwakuni
|
|
|
Pottstown Roller Mill |
|
|
Pottstown, PA
|
|
|
Sidney Waterworks And Electric Light Building |
|
|
Sidney
|
|
|
Tunkhannock Viaduct |
|
|
Nicholson
|
|
|
Western Division-Pennsylvania Canal |
|
|
Torrance
|
|
|
St Vincent Archabbey Gristmill |
|
|
Latrobe
|
|
|
Carrollton Viaduct |
|
|
Baltimore, MD
|
|
|
St Boniface Roman Catholic Church |
|
|
Pittsburgh
|
|
|
Sixteenth Street Bridge |
|
|
Pittsburgh
|
|
|
Lehigh Canal - Lehigh Gap to S Walnutport |
|
|
Lehigh Gap
|
|
|
Lehigh Canal - Lehigh Gap to S Walnutport |
|
|
Walnutport
|
|
|
Pierce Arrow Factory Complex |
|
|
Buffalo, NY
|
|
|
Stillwater Covered Bridge No 134 |
|
|
Stillwater
|
|
|
Snyder Covered Bridge No 17 |
|
|
Slabtown
|
|
|
Rupert Covered Bridge No 56 |
|
|
Rupert
|
|
|
Jud Christie Covered Bridge No 95 |
|
|
Millville
|
|
|
Eckman, Sam, Covered Bridge No 92 |
|
|
Millville
|
|
|
Creasyville Covered Bridge |
|
|
Millville
|
|
|
Shoemaker Covered Bridge |
|
|
Iola
|
|
|
Twin Bridges-West Paden Covered Bridge No 121 |
|
|
Forks
|
|
|
John B McCormick House |
|
|
Georgeville
|
|
|
Davis Covered Bridge |
|
|
Catawissa
|
|
|
Hollingshead Covered Bridge No 40 |
|
|
Catawissa
|
|
|
Y Covered Bridge No 156 |
|
|
Central
|
|
|
Main Street Station and Trainshed |
|
|
Richmond
|
|
|
Furnace Covered Bridge No 11 |
|
|
Esther
|
|
|
Wanich Covered Bridge No 69 |
|
|
Fernville
|
|
|
Twin Bridges-East Paden Covered Bridge No 120 |
|
|
Forks
|
|
|
Agricultural Engineering Building |
|
|
Madison, WI
|
|
|
South Washington Street Parabolic Bridge |
|
|
Binghamton
|
|
|
Gladden Windmill |
|
|
Napoli
|
|
|
Chain Bridge |
|
|
Easton
|
|
|
Lehigh Canal Allentown to Hopeville Section |
|
|
Bethlehem
|
|
|
Lehigh Canal Allentown to Hopeville Section |
|
|
Allentown
|
|
|
Elkins Coal and Coke Company Historic District |
|
|
Bretz
|
|
|
Montgomery Union Station |
|
|
Montgomery, AL
|
|
|
Sloss Blast Furnace Site |
|
|
Birmingham
|
|
|
Jacobsburg Historic District |
|
|
Nazareth
|
|
|
Double-Span Whipple Bowstring Truss Bridge |
|
|
Claverack
|
|
|
Whipple Cast and Wrought Iron Bowstring Truss Bridge |
|
|
Albany
|
|
|
MacDonald Farm |
|
|
Meredith
|
|
|
Water, Wall, and Pine Streets Lenticular Truss Bridges |
|
|
Homer
|
|
|
Watervliet Side Cut Locks |
|
|
Watervliet
|
|
|
Packard Motor Corporation Building |
|
|
Philadelphia, PA
|
|
|
Philadelphia Racquet Club |
|
|
Philadelphia, PA
|
|
|
Moore, Benjamin C, Mill |
|
|
Lockport
|
|
|
Five Lock Combine and Locks 37 and 38, Black River Canal |
|
|
Boonville
|
|
|
Onondaga County Savings Bank Building |
|
|
Syracuse, NY
|
|
|
Weighlock Building |
|
|
Syracuse, NY
|
|
|
Lock 18 of Enlarged Erie Canal |
|
|
Cohoes
|
|
|
Fort Ontario |
|
|
Oswego
|
|
|
Nine Mile Creek Aqueduct |
|
|
Camillus
|
|
|
Syracuse Savings Bank |
|
|
Syracuse, NY
|
|
|
Sevenmile Bridge |
|
|
Creede
|
|
|
Old Mission Dam |
|
|
San Diego, CA
|
|
|
Kingston-Port Ewen Suspension Bridge |
|
|
Kingston, NY
|
|
|
Perrine's Bridge |
|
|
Rosendale
|
|
|
Gardiners Island Windmill |
|
|
East Hampton
|
|
|
Aransas Pass Light Station |
|
|
Port Aransas
|
|
|
Archer County Courthouse and Jail |
|
|
Archer City
|
|
|
Church Nuestra Senora de la Concepcion y San Fernando of Toa Alta |
|
|
Toa Alta
|
|
|
1931 Tempe Bridge |
|
|
Tempe
|
|
|
Verde River Sheep Bridge |
|
|
Carefree
|
|
|
Iron Turbine Windmill |
|
|
Prescott
|
|
|
Round Lake Logging Dam |
|
|
Fifield
|
|
|
Hole-in-the-Rock Trail |
|
|
Glen Canyon National Recreation Area
|
|
|
Hole-in-the-Rock Trail |
|
|
Escalante
|
|
|
Hole-in-the-Rock Trail |
|
|
Grand Staircase Escalante-National Monument
|
|
|
Galveston Causeway |
|
|
Galveston
|
|
|
Johnson, SC, and Son Administration Building and Research Tower |
|
|
Racine
|
|
|
Rice Hotel |
|
|
Houston, TX
|
|
|
Thurber Historic District |
|
|
Thurber
|
|
|
Warren Covered Bridge |
|
|
Warren
|
|
|
Paddock Viaduct |
|
|
Fort Worth, TX
|
|
|
Mull Covered Bridge |
|
|
Burgoon
|
|
|
Bennett Schoolhouse Road Covered Bridge |
|
|
Minford
|
|
|
Lockington Covered Bridge |
|
|
Lockington
|
|
|
Parker Covered Bridge |
|
|
Upper Sandusky
|
|
|
Swartz Covered Bridge |
|
|
Wyandot
|
|
|
Ada Belle Oil Well |
|
|
Batson, TX
|
|
|
High Bridge Aqueduct and Water Tower |
|
|
New York City
|
|
|
Arch in the Town of Marshall |
|
|
Marshall
|
|
|
Seneca Quarry |
|
|
Chesapeake and Ohio Canal, Seneca, MD
|
|
|
Mexican Canyon Trestle |
|
|
Cloudcroft
|
|
|
Park of the Canals |
|
|
Mesa
|
|
|
Walnut Canyon Dam |
|
|
Flagstaff
|
|
|
Poland Tunnel |
|
|
Poland
|
|
|
Lusk Home and Mill Site |
|
|
Marshall
|
|
|
Hotel Westward Ho |
|
|
Phoenix
|
|
|
Bosque County Courthouse |
|
|
Meridian, TX
|
|
|
Schulenburg Cotton Compress |
|
|
Schulenburg, TX
|
|
|
Johnson Road Covered Bridge |
|
|
Petersburg
|
|
|
Lake Hamilton Dam |
|
|
Struthers
|
|
|
White Bridge |
|
|
Poland Village
|
|
|
Dudley Station Historic District |
|
|
Boston
|
|
|
Waco Suspension Bridge |
|
|
Waco, TX
|
|
|
Bluff Dale Suspension Bridge |
|
|
Bluff Dale
|
|
|
Mulberry Creek Bridge |
|
|
Schulenburg, TX
|
|
|
Fourth Street Bridge |
|
|
Canon City
|
|
|
Bridge No 10 - Adelaide Bridge |
|
|
Florence
|
|
|
Crystal Mill |
|
|
Crystal
|
|
|
Monier Bridge |
|
|
Chazelet
|
|
|
D and RG Narrow Gauge Trestle |
|
|
Cimarron
|
|
|
Germantown Covered Bridge |
|
|
Germantown
|
|
|
Creamery Bridge |
|
|
Osawatomie
|
|
|
Corsicana Oil Field Discovery Well |
|
|
Corsicana
|
|
|
Moonlight Towers |
|
|
Austin, TX
|
|
|
Galveston Seawall |
|
|
Galveston
|
|
|
Medina Dam |
|
|
Castroville
|
|
|
Armstrong Tunnel |
|
|
Pittsburgh
|
|
|
Sixth Street Bridge |
|
|
Pittsburgh
|
|
|
Seventh Street Bridge |
|
|
Pittsburgh
|
|
|
Ninth Street Bridge |
|
|
Pittsburgh
|
|
|
Coraopolis Bridge |
|
|
Coraopolis
|
|
|
Kennedy Tailing Wheels |
|
|
Jackson
|
|
|
Old Fresno Water Tower |
|
|
Fresno
|
|
|
Hudspeth County Courthouse |
|
|
Sierra Blanca, TX
|
|
|
Otway Covered Bridge |
|
|
Otway
|
|
|
Goodyear Airdock |
|
|
Akron, OH
|
|
|
Tilton Island Park Bridge |
|
|
Tilton
|
|
|
Saffold Dam |
|
|
Seguin, TX
|
|
|
Tyler Hydraulic-Fill Dam |
|
|
Tyler, TX
|
|
|
Cuero Hydroelectric Plant |
|
|
Cuero
|
|
|
Nevada-California Power Company Substation and Auxiliary Power Building |
|
|
Tonopah
|
|
|
Saline Valley Salt Tram Historic Structure |
|
|
Keeler
|
|
|
Cassidy Mill |
|
|
Cleveland
|
|
|
James Daniel Derby House |
|
|
Glendale, CA
|
|
|
Carleton Bridge |
|
|
East Swanzey
|
|
|
Everett Road Covered Bridge |
|
|
Cuyahoga Valley National Park
|
|
|
Loucks Covered Bridge |
|
|
Canal Winchester
|
|
|
Stemen Road Covered Bridge |
|
|
Pickerington
|
|
|
Sawyers Crossing Covered Bridge |
|
|
Swanzey
|
|
|
Slate Covered Bridge |
|
|
Westport
|
|
|
Coombs Covered Bridge |
|
|
Winchester
|
|
|
Stark Covered Bridge |
|
|
Groveton
|
|
|
Mount Orne Covered Bridge |
|
|
Lunenburg
|
|
|
Mount Orne Covered Bridge |
|
|
Lancaster
|
|
|
Lower Blackburn Grade Bridge |
|
|
Bridgeville
|
|
|
Swiftwater Covered Bridge |
|
|
Bath
|
|
|
Fort Griffin Brazos River Bridge |
|
|
Fort Griffin State Historic Site, TX
|
|
|
Pope Street Bridge |
|
|
St Helena, CA
|
|
|
Stone Arch Underpass |
|
|
Lebanon
|
|
|
Hillsborough Railroad Bridge |
|
|
Hillsborough
|
|
|
Colorado Street Bridge |
|
|
Pasadena, CA
|
|
|
Ash Street School |
|
|
Manchester, NH
|
|
|
Harvey House Railroad Depot |
|
|
Barstow
|
|
|
Travelers' Hotel |
|
|
Sacramento
|
|
|
Conservatory of Flowers |
|
|
San Francisco
|
|
|
Outlet Gates and Gatekeeper's Cabin |
|
|
Tahoe City, CA
|
|
|
Illinois and Michigan Canal |
|
|
Joliet, IL
|
|
|
County Farm Bridge |
|
|
Wilton
|
|
|
Hotel Stockton |
|
|
Stockton, CA
|
|
|
Canon Ranch Railroad Eclipse Windmill |
|
|
Sheffield
|
|
|
Bement Covered Bridge |
|
|
Bradford
|
|
|
Felton Covered Bridge |
|
|
Felton
|
|
|
McClintock Storage Warehouse |
|
|
San Diego, CA
|
|
|
Folsom Powerhouse |
|
|
Folsom
|
|
|
EJP County Line Bridge |
|
|
Hyattville
|
|
|
Rairden Bridge |
|
|
Manderson
|
|
|
San Francisco Ferry Building |
|
|
San Francisco
|
|
|
Tower Bridge, Sacramento |
|
|
West Sacramento
|
|
|
Tower Bridge, Sacramento |
|
|
Sacramento
|
|
|
Riverside Swinging Bridge |
|
|
Riverside
|
|
|
Hopkinton Railroad Covered Bridge |
|
|
Hopkinton, NH
|
|
|
Millard House |
|
|
Pasadena, CA
|
|
|
Oil Springs Oil Field Discovery Well |
|
|
Woden
|
|
|
Fire Station No 23 |
|
|
Los Angeles
|
|
|
Pittsfield Center Historic District |
|
|
Pittsfield
|
|
|
Pigeon Point Lighthouse |
|
|
Pescadero
|
|
|
Little Rock Creek Dam |
|
|
Pearland
|
|
|
Saugus Iron Works National Historic Site |
|
|
Saugus
|
|
|
Allegheny Portage Railroad National Historic Site |
|
|
Pennsylvania
|
|
|
Maybert Bridge |
|
|
Nevada City, CA
|
|
|
I Street Bridge |
|
|
West Sacramento
|
|
|
I Street Bridge |
|
|
Sacramento
|
|
|
Edificio Jose de Diego |
|
|
Mayaguez
|
|
|
Hurricane Canal |
|
|
Hurricane
|
|
|
San Buenaventura Mission Aqueduct |
|
|
Ventura
|
|
|
Lincoln Highway Bridge |
|
|
Dugway Proving Ground
|
|
|
Stockton Savings and Loan Society Bank |
|
|
Stockton, CA
|
|
|
Moses Rodgers House |
|
|
Stockton, CA
|
|
|
GAPA Launch Site and Blockhouse |
|
|
Knolls
|
|
|
Knight Grain Elevator |
|
|
Eureka
|
|
|
Centennial-Eureka Mine |
|
|
Eureka
|
|
|
Eagle and Blue Bell Mine |
|
|
Eureka
|
|
|
Mill Creek Zanja |
|
|
Redlands
|
|
|
Sunbeam Mine |
|
|
Mammoth
|
|
|
Waterloo Covered Bridge |
|
|
Waterloo
|
|
|
Rowell's Covered Bridge |
|
|
Hopkinton, NH
|
|
|
Lake Mattamuskeet Pump Station |
|
|
Swanquarter
|
|
|
Southern Pacific Railroad: Ogden-Lucin Cut-Off Trestle |
|
|
Ogden
|
|
|
Finstad's Auto Marine Shop |
|
|
Ranier
|
|
|
Roanoke Canal |
|
|
Roanoke Rapids
|
|
|
Mountain Dell Dam |
|
|
Salt Lake City
|
|
|
Skeen's Mill Covered Bridge |
|
|
Flint Hill
|
|
|
Pisgah Community Covered Bridge |
|
|
Pisgah
|
|
|
Hayground Windmill |
|
|
East Hampton
|
|
|
Wainscott Windmill |
|
|
East Hampton
|
|
|
Second Tompkins County Courthouse |
|
|
Ithaca
|
|
|
Bridge L-158 |
|
|
Goldens Bridge
|
|
|
Shelter Island Windmill |
|
|
Shelter Island
|
|
|
Windmill at Water Mill |
|
|
Southampton, NY
|
|
|
Durango-Silverton Narrow-Gauge Railroad |
|
|
Durango
|
|
|
Durango-Silverton Narrow-Gauge Railroad |
|
|
Silverton
|
|
|
Alcoa Edgewater Works |
|
|
Edgewater
|
|
|
Reaction Motors Rocket Test Facility |
|
|
Franklin Lakes
|
|
|
Harlem Fire Watchtower |
|
|
New York City
|
|
|
William E Ward House |
|
|
Rye
|
|
|
Hackensack Water Company Complex |
|
|
Weehawken
|
|
|
Erie-Lackawanna Railroad Terminal at Hoboken |
|
|
Hoboken
|
|
|
Fisgard Lighthouse National Historic Site |
|
|
Colwood
|
|
|
Hog Island Cranes |
|
|
Trenton
|
|
|
Green Sergeants Covered Bridge |
|
|
Stockton
|
|
|
Dock Bridge |
|
|
Newark
|
|
|
Delaware, Lackawanna and Western Railroad Station |
|
|
Dover
|
|
|
Finn's Point Rear Range Light |
|
|
Salem
|
|
|
Jeffrey's Hook Lighthouse |
|
|
New York City
|
|
|
Newark Metropolitan Airport Buildings |
|
|
Newark
|
|
|
Auditorium Building, Roosevelt University |
|
|
Chicago
|
|
|
Eastern Lock of the Chesapeake and Delaware Canal |
|
|
Delaware City, DE
|
|
|
Morris Canal |
|
|
Morris Canal Route
|
|
|
Morris Canal |
|
|
Morris Canal Route
|
|
|
Morris Canal |
|
|
Phillipsburg
|
|
|
Morris Canal |
|
|
Morris Canal Route
|
|
|
Morris Canal |
|
|
Jersey City
|
|
|
Morris Canal |
|
|
Morris Canal Route
|
|
|
Liston Ranger Rear Light Station |
|
|
Port Penn, DE
|
|
|
Cherbourg Round Barn |
|
|
Little Creek, DE
|
|
|
Lonaconing Furnace |
|
|
Lonaconing
|
|
|
Seaford Station Complex |
|
|
Seaford, DE
|
|
|
Thomas Point Shoals Light Station |
|
|
Annapolis, MD
|
|
|
Pagan Creek Dike |
|
|
Lewes, DE
|
|
|
Old Customshouse |
|
|
Wilmington, DE
|
|
|
Bullfrog Road Bridge |
|
|
Taneytown
|
|
|
Bennies Hill Road Bridge |
|
|
Middletown, MD
|
|
|
Fourpoints Bridge |
|
|
Emmitsburg
|
|
|
LeGore Bridge |
|
|
Woodsboro
|
|
|
Neshanic Mills |
|
|
Neshanic
|
|
|
Bloomington Viaduct |
|
|
Bloomington
|
|
|
Ravenshurst |
|
|
Glen Arm
|
|
|
Covington and Cincinnati Suspension Bridge |
|
|
Cincinnati, OH
|
|
|
Covington and Cincinnati Suspension Bridge |
|
|
Covington
|
|
|
Patterson Viaduct Ruins |
|
|
Ilchester
|
|
|
Patterson Viaduct Ruins |
|
|
Catonsville
|
|
|
Louisville Water Company Pumping Station |
|
|
Louisville, KY
|
|
|
Jericho Covered Bridge |
|
|
Jerusalem, MD
|
|
|
Jericho Covered Bridge |
|
|
Kingsville
|
|
|
Rockford Park |
|
|
Wilmington, DE
|
|
|
Utica Covered Bridge |
|
|
Thurmont
|
|
|
Loys Station Covered Bridge |
|
|
Thurmont
|
|
|
Roddy Road Covered Bridge |
|
|
Thurmont
|
|
|
Old Mill Road Bridge |
|
|
Rocky Ridge
|
|
|
Poffenberger Road Bridge |
|
|
Middletown, MD
|
|
|
Burks' Distillery |
|
|
Loretto
|
|
|
Shreveport Water Works Company, Pump Station |
|
|
Shreveport
|
|
|
Valley Railroad Stone Bridge |
|
|
Jolivue
|
|
|
Millau Viaduct |
|
|
Millau
|
|
|
Cat Rock Sluice of the Roanoke Navigation |
|
|
Brookneal, VA
|
|
|
Clifton Park Valve House |
|
|
Baltimore, MD
|
|
|
B and O Railroad Potomac River Crossing |
|
|
Harpers Ferry, WV
|
|
|
B and O Railroad Potomac River Crossing |
|
|
Maryland Heights, HAFE
|
|
|
B and O Bridge |
|
|
Keedysville
|
|
|
Howard Street Tunnel |
|
|
Baltimore, MD
|
|
|
Johns Hopkins Hospital Complex |
|
|
Baltimore, MD
|
|
|
Springwood Truss Bridge |
|
|
Springwood
|
|
|
Phoenix Bridge |
|
|
Eagle Rock
|
|
|
Columbus Historic Riverfront Industrial District |
|
|
Columbus
|
|
|
Augusta Canal National Heritage Area |
|
|
Augusta, GA
|
|
|
Gholson Bridge |
|
|
Lawrenceville
|
|
|
Washington Iron Furnace |
|
|
Rocky Mount, VA
|
|
|
Beginning Point of the US Public Land Survey |
|
|
East Liverpool
|
|
|
Beginning Point of the US Public Land Survey |
|
|
Glasgow
|
|
|
Catoctin Creek Bridge |
|
|
Waterford
|
|
|
Fort Ward |
|
|
Alexandria
|
|
|
Goshen Land Company Bridge |
|
|
Goshen, VA
|
|
|
First National Bank Building |
|
|
Richmond
|
|
|
Crozet House |
|
|
Richmond
|
|
|
Colvin Run Mill |
|
|
Great Falls
|
|
|
Eads Bridge |
|
|
East St Louis
|
|
|
Eads Bridge |
|
|
City of St Louis
|
|
|
White's Mill, Abingdon |
|
|
Abingdon, VA
|
|
|
Cape Canaveral Air Force Station |
|
|
Cocoa
|
|
|
Fort Zachary Taylor |
|
|
Key West
|
|
|
Midway Mill |
|
|
Midway Mills
|
|
|
Oak Ridge Railroad Overpass |
|
|
Shipman
|
|
|
Linville Creek Bridge |
|
|
Broadway
|
|
|
Castle Gatehouse, Washington Aqueduct |
|
|
Washington, DC
|
|
|
Jack's Creek Covered Bridge |
|
|
Woolwine
|
|
|
Wellsburg Wharf |
|
|
Wellsburg
|
|
|
St Louis Union Station |
|
|
City of St Louis
|
|
|
Thomas J Michie House |
|
|
Staunton, VA
|
|
|
Peavey-Haglin Experimental Concrete Grain Elevator |
|
|
St Louis Park
|
|
|
Perdido Key Historic District |
|
|
Perdido Key Area, Gulf Islands NS, FL
|
|
|
Rock Harbor Lighthouse |
|
|
Isle Royale National Park
|
|
|
Elm Grove Stone Arch Bridge |
|
|
Wheeling
|
|
|
New Salem Covered Bridge |
|
|
Commerce
|
|
|
Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 |
|
|
North Branch
|
|
|
Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 |
|
|
Woodmont
|
|
|
Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 |
|
|
Jerome
|
|
|
Washington Monument |
|
|
Washington, DC
|
|
|
Wilkes Campsite |
|
|
Hawaii Volcanoes National Park
|
|
|
Tinkers Creek Aqueduct |
|
|
Cuyahoga Valley National Park
|
|
|
West Fifth Street Bridge |
|
|
Ashtabula
|
|
|
Locust Creek Covered Bridge |
|
|
Hillsboro, WV
|
|
|
Pocahontas Times Print Shop |
|
|
Marlinton
|
|
|
Kilgore Mill Covered Bridge and Mill Site |
|
|
Bethlehem
|
|
|
Au Sable Light Station |
|
|
Pictured Rocks National Lakeshore
|
|
|
Bighorn Ditch Headgate |
|
|
Fort Smith
|
|
|
National Road |
|
|
Cambridge
|
|
|
Staats Mill Covered Bridge |
|
|
Staats Mill
|
|
|
Pool's Mill Covered Bridge |
|
|
Cumming
|
|
|
Railroad Overpass at Ocmulgee |
|
|
Ocmulgee Mounds National Historical Park
|
|
|
Henry Crawford Tucker Log House and Farmstead |
|
|
Moultrie
|
|
|
Carroll-Richardson Grist Mill |
|
|
Cave Spring
|
|
|
Ruff's Mill and Concord Covered Bridge |
|
|
Smyrna
|
|
|
Coheelee Creek Covered Bridge |
|
|
Hilton
|
|
|
Ghent Historic District |
|
|
Norfolk
|
|
|
Woodmanston Site |
|
|
Riceboro
|
|
|
New Hampton Pony Pratt Truss Bridge |
|
|
Changewater
|
|
|
New Hampton Pony Pratt Truss Bridge |
|
|
Hampton
|
|
|
Glen Gardner Pony Pratt Truss Bridge |
|
|
Glen Gardner
|
|
|
Henry Asbury House |
|
|
Clarkesville, GA
|
|
|
Richmond Hill Plantation |
|
|
Richmond Hill
|
|
|
Georgia Institute of Technology Historic District |
|
|
Atlanta, GA
|
|
|
Van Metre Ford Stone Bridge |
|
|
Martinsburg
|
|
|
Delaware Aqueduct |
|
|
Lackawaxen
|
|
|
Delaware Aqueduct |
|
|
Minisink Ford
|
|
|
Tanner's Mill |
|
|
Gainesville
|
|
|
Fireproof Building |
|
|
Charleston, SC
|
|
|
Fort Barrington |
|
|
Cox
|
|
|
Techwood Homes Historic District |
|
|
Atlanta, GA
|
|
|
Penn Center Historic District |
|
|
Frogmore
|
|
|
Van Winkle, E, Gin and Machine Works |
|
|
Atlanta, GA
|
|
|
Crown Mill Historic District |
|
|
Dalton
|
|
|
Auchumpkee Creek Covered Bridge |
|
|
Thomaston
|
|
|
Rose Hill Mill and House |
|
|
Thomaston
|
|
|
US Post Office and Courthouse |
|
|
Waycross
|
|
|
Cape Florida Lighthouse |
|
|
Bill Baggs Cape Florida State Park
|
|
|
Overseas Highway and Railway Bridges |
|
|
Long Key
|
|
|
Overseas Highway and Railway Bridges |
|
|
Bahia Honda Key
|
|
|
West Martello Tower |
|
|
Key West
|
|
|
Pensacola Lighthouse and Keeper's Quarters |
|
|
Pensacola, FL
|
|
|
West End-North Side Bridge |
|
|
Pittsburgh
|
|
|
St Augustine Lighthouse and Keeper's Quarters |
|
|
St Augustine
|
|
|
Spanish Coquina Quarries |
|
|
St Augustine Beach
|
|
|
Cape St George Light |
|
|
Little St George Island
|
|
|
Chicago, Burlington, and Quincy Roundhouse and Locomotive Shop |
|
|
Aurora
|
|
|
Western Springs Water Tower |
|
|
Western Springs
|
|
|
Red Covered Bridge |
|
|
Princeton
|
|
|
Fountain Creek Bridge |
|
|
Waterloo
|
|
|
Stone Arch Bridge |
|
|
Champaign
|
|
|
Baha'i Temple |
|
|
Wilmette
|
|
|
Mary's River Covered Bridge |
|
|
Chester
|
|
|
Old Stone Arch, National Road |
|
|
Marshall
|
|
|
General Dean Suspension Bridge |
|
|
Carlyle
|
|
|
Stone Quarry Bridge |
|
|
Charleston
|
|
|
Blakeman Bridge |
|
|
Charleston
|
|
|
Airtight Bridge |
|
|
Charleston
|
|
|
White Hall Foundry |
|
|
White Hall
|
|
|
Manhattan Building |
|
|
Chicago
|
|
|
Peoria Mineral Springs |
|
|
Peoria
|
|
|
Peoria Waterworks |
|
|
Peoria
|
|
|
Boeckman Bridge |
|
|
St Elizabeth
|
|
|
Locust Creek Covered Bridge |
|
|
Laclede
|
|
|
Russian Bishop's House |
|
|
Sitka
|
|
|
Sugar Creek Covered Bridge |
|
|
Chatham
|
|
|
Thompson Mill Covered Bridge |
|
|
Cowden
|
|
|
Beatrice Chautauqua Pavilion and Gatehouse |
|
|
Beatrice
|
|
|
Belle Fourche Dam |
|
|
Belle Fourche
|
|
|
Hotel Baker |
|
|
St Charles
|
|
|
Harrison St Bridge |
|
|
Charleston
|
|
|
Old Stone Arch Bridge |
|
|
Clark Center
|
|
|
Burlington Headquarters Building |
|
|
Omaha, NE
|
|
|
Woral C Smith Lime Kiln and Limestone House |
|
|
Fairbury
|
|
|
Illinois Iron Furnace |
|
|
Rosiclare
|
|
|
Richard E Dill House |
|
|
Alexandria
|
|
|
Cabin Creek Covered Bridge |
|
|
Tollesboro
|
|
|
Trans-Canyon Telephone Line, Grand Canyon National Park |
|
|
Grand Canyon NP - North Rim
|
|
|
Trans-Canyon Telephone Line, Grand Canyon National Park |
|
|
Grand Canyon NP - South Rim
|
|
|
Trans-Canyon Telephone Line, Grand Canyon National Park |
|
|
Grand Canyon
|
|
|
Mayo, John C C, Mansion and Office |
|
|
Paintsville
|
|
|
Dexter Community House |
|
|
Dexter
|
|
|
Gottschalk, Frederick L and L Frederick, Houses |
|
|
Columbus
|
|
|
DeWitt Flour Mills and King Iron Bridge |
|
|
DeWitt
|
|
|
Elkader Keystone Bridge |
|
|
Elkader
|
|
|
Grand Encampment Mining Region: Boston Wyoming Smelter Site |
|
|
Encampment, WY
|
|
|
Grand Encampment Mining Region: Ferris-Haggarty Mine Site |
|
|
Encampment, WY
|
|
|
Boone Viaduct |
|
|
Boone
|
|
|
Yatesville Covered Bridge |
|
|
Fallsburg
|
|
|
Melan Bridge |
|
|
Rock Rapids
|
|
|
Cedar Covered Bridge |
|
|
Winterset
|
|
|
Will County Historical Society Headquarters |
|
|
Lockport, IL
|
|
|
Cutler-Donahoe Covered Bridge |
|
|
Winterset
|
|
|
Hogback Covered Bridge |
|
|
Winterset
|
|
|
Holliwell Covered Bridge |
|
|
Winterset
|
|
|
Roseman Covered Bridge |
|
|
Winterset
|
|
|
Nelson, Daniel, House and Barn |
|
|
Oskaloosa, IA
|
|
|
John K Voorhees House |
|
|
Oskaloosa, IA
|
|
|
Marston Water Tower |
|
|
Ames
|
|
|
Pathfinder Dam |
|
|
Alcova
|
|
|
Keokuk Lock and Dam |
|
|
Keokuk
|
|
|
Cummins Creek Bridge |
|
|
Round Top, TX
|
|
|
Fort Caspar (Boundary Increase) |
|
|
Casper
|
|
|
Pierce and Walter Butler House |
|
|
St Paul, MN
|
|
|
Como Park Conservatory |
|
|
St Paul, MN
|
|
|
Anoka-Champlin Mississippi River Bridge |
|
|
Anoka
|
|
|
Anoka-Champlin Mississippi River Bridge |
|
|
Champlin
|
|
|
Golden Bridge, Ba Na Hills |
|
|
Da Nang, VN
|
|
|
Brainerd Water Tower |
|
|
Brainerd
|
|
|
Elevated Metal Water Tank, Crosby |
|
|
Crosby
|
|
|
Elevated Metal Water Tank, Cuyuna |
|
|
Cuyuna
|
|
|
Elevated Metal Water Tank, Deerwood |
|
|
Deerwood
|
|
|
Elevated Metal Water Tank, Ironton |
|
|
Ironton
|
|
|
Elevated Metal Water Tank, Trommald |
|
|
Trommald
|
|
|
Smith Covered Bridge |
|
|
Rushville
|
|
|
Chicago, Milwaukee and St Paul Freight House |
|
|
Stillwater
|
|
|
Kasson Water Tower |
|
|
Kasson
|
|
|
Fort Benton Bridge |
|
|
Fort Benton
|
|
|
Miles City Waterworks Building and Pumping Plant Park |
|
|
Miles City
|
|
|
G A Carlson Lime Kiln |
|
|
Red Wing, MN
|
|
|
Hollands Grist Mill |
|
|
Milbank
|
|
|
Ramsey Park Swayback Bridge |
|
|
Alexander Ramsey State Park, MN
|
|
|
Foshay Tower |
|
|
Minneapolis
|
|
|
Carriage Paths, Bridges and Gatehouses |
|
|
Acadia National Park
|
|
|
Bailey Island Cobwork Bridge |
|
|
Harpswell
|
|
|
Star-Clipper-Canfield Building and Winding Stairway |
|
|
Traer
|
|
|
Gumbel Building |
|
|
Kansas City, MO
|
|
|
Camp Clarke Bridge Site |
|
|
Bridgeport
|
|
|
Pipestone Water Tower |
|
|
Pipestone
|
|
|
Beverly Railroad Bridge |
|
|
Beverly
|
|
|
Beverly Railroad Bridge |
|
|
Beverly
|
|
|
Capital Boulevard Crossing |
|
|
Tumwater
|
|
|
City Waterway Bridge |
|
|
Tacoma
|
|
|
Columbia River Bridge |
|
|
East Wenatchee
|
|
|
Columbia River Bridge |
|
|
Wenatchee
|
|
|
Cowen Park Bridge |
|
|
Seattle
|
|
|
Curlew Bridge |
|
|
Curlew
|
|
|
Rosario |
|
|
Orcas Island, WA
|
|
|
Ogilvie Watertower |
|
|
Ogilvie
|
|
|
Baker River Bridge |
|
|
Concrete
|
|
|
Duckabush River Bridge |
|
|
Duckabush
|
|
|
Dungeness River Bridge |
|
|
Sequim
|
|
|
East 34th Street Bridge |
|
|
Tacoma
|
|
|
Elwha River Bridge |
|
|
Elwha
|
|
|
F Street Bridge |
|
|
Palouse
|
|
|
Fairfax Bridge |
|
|
Melmont, WA
|
|
|
Goldsborough Creek Bridge |
|
|
Shelton
|
|
|
Grand Coulee Bridge |
|
|
Grand Coulee, WA
|
|
|
High Steel Bridge |
|
|
Shelton
|
|
|
Hoquiam River Bridge |
|
|
Hoquiam
|
|
|
Idaho and Wash Northern RR Bridge |
|
|
Metaline Falls
|
|
|
Indian Timothy Memorial Bridge |
|
|
Pomeroy
|
|
|
Manning-Rye Covered Bridge |
|
|
Colfax
|
|
|
Middle Fork Nooksack River Bridge |
|
|
Acme
|
|
|
Montlake Bridge |
|
|
Seattle
|
|
|
Mount Baker Ridge Tunnel |
|
|
Seattle
|
|
|
North Hamma Hamma River Bridge |
|
|
Eldon
|
|
|
South Hamma Hamma River Bridge |
|
|
Eldon
|
|
|
North 21st Street Bridge |
|
|
Tacoma
|
|
|
North 23rd Street Bridge |
|
|
Tacoma
|
|
|
London Bridge Lake Havasu |
|
|
Lake Havasu City
|
|
|
Cape Disappointment Historic District |
|
|
Ilwaco
|
|
|
Penstock Bridge |
|
|
Leavenworth
|
|
|
Purdy Bridge |
|
|
Purdy
|
|
|
Ravenna Park Bridge |
|
|
Seattle
|
|
|
Red Mountain Railroad Bridge |
|
|
Northport
|
|
|
Rosalia Railroad Bridge |
|
|
Rosalia
|
|
|
Schmitz Park Bridge |
|
|
Seattle
|
|
|
Snake River Bridge, Lyons Ferry |
|
|
Lyons Ferry State Park, WA
|
|
|
Sunset Boulevard Bridge |
|
|
Spokane, WA
|
|
|
12th Avenue South Bridge |
|
|
Seattle
|
|
|
Oregon Creek Covered Bridge |
|
|
North San Juan
|
|
|
University Bridge |
|
|
Seattle
|
|
|
Interlaken Mill Bridge |
|
|
Coventry, RI
|
|
|
Jamestown Windmill |
|
|
Jamestown, RI
|
|
|
Niagara Camp |
|
|
Tuolumne
|
|
|
Olmsted Station Powerhouse |
|
|
Provo
|
|
|
Beck No 2 Mine |
|
|
Eureka
|
|
|
Eureka Lilly Headframe |
|
|
Eureka
|
|
|
Lime Kilns |
|
|
Eureka
|
|
|
Water Lily Shaft |
|
|
Eureka
|
|
|
Yankee Headframe |
|
|
Eureka
|
|
|
Iowa Building |
|
|
Cedar Rapids
|
|
|
Horton Mill Covered Bridge |
|
|
Oneonta
|
|
|
J S Dorton Arena |
|
|
Raleigh
|
|
|
Lee County Courthouse |
|
|
Opelika
|
|
|
Fort Adams |
|
|
Newport, RI
|
|
|
Mount Hope Bridge |
|
|
Bristol, RI
|
|
|
Mount Hope Bridge |
|
|
Portsmouth, RI
|
|
|
Western Clay Manufacturing Company |
|
|
Helena
|
|
|
Church of St Lawrence |
|
|
Asheville
|
|
|
Swann Covered Bridge |
|
|
Cleveland
|
|
|
Nectar Covered Bridge |
|
|
Nectar
|
|
|
Easley Covered Bridge |
|
|
Oneonta
|
|
|
Faro de la Isla de la Mona |
|
|
Mona Island
|
|
|
Faro de las Cabezas de San Juan |
|
|
Soroco
|
|
|
Faro de Morro |
|
|
San Juan
|
|
|
Faro de la Isla de Caja de Muertos |
|
|
Ponce
|
|
|
Salisbury Center Covered Bridge |
|
|
Salisbury Center
|
|
|
Continental Gin Company |
|
|
Birmingham
|
|
|
Five Mile Creek Bridge |
|
|
McCalla
|
|
|
Tintic Standard Reduction Mill |
|
|
Goshen
|
|
|
Boston and Providence Railroad Bridge |
|
|
East Providence, RI
|
|
|
Albion Historic District |
|
|
Lincoln, RI
|
|
|
Hanora Mills |
|
|
Woonsocket, RI
|
|
|
Russell Company Upper Mill |
|
|
Middletown
|
|
|
Belt Railroad Engine House and Sandhouse |
|
|
San Francisco
|
|
|
Coon Box Fork Bridge |
|
|
Coon Box
|
|
|
Old Hill Place Bridge |
|
|
Fayette
|
|
|
Youngblood Bridge |
|
|
Union Church
|
|
|
Etters Bridge |
|
|
Lower Allen Township
|
|
|
Etters Bridge |
|
|
Fairview Township
|
|
|
Half-Chance Bridge |
|
|
Dayton
|
|
|
John Alexander Wheat Warehouse |
|
|
Milton
|
|
|
Goodrich Blacksmith Shop |
|
|
Milton
|
|
|
Peter McEwan Warehouse |
|
|
Milton
|
|
|
Goodrich-Buten House |
|
|
Milton
|
|
|
Gifford House |
|
|
Milton
|
|
|
De Jean House |
|
|
Milton
|
|
|
Water Tower |
|
|
Florence
|
|
|
Old Water and Electric Light Plant |
|
|
Holly Springs
|
|
|
Minneapolis Armory |
|
|
Minneapolis
|
|
|
Old River Bridge |
|
|
Benton
|
|
|
Grand Central Mine |
|
|
Mammoth
|
|
|
Showers Mine and Headframe |
|
|
Mammoth
|
|
|
Dollarway Road |
|
|
Redfield
|
|
|
Fort Negley |
|
|
Nashville, TN
|
|
|
Fort Wood Historic District |
|
|
Chattanooga
|
|
|
Mechanical Engineering Hall, Vanderbilt University |
|
|
Nashville, TN
|
|
|
McKenzie Windmill |
|
|
Georgetown
|
|
|
Chattanooga, Harrison, Georgetown and Charleston Railroad Tunnel |
|
|
Chattanooga
|
|
|
Lookout Mountain Incline Railway |
|
|
Chattanooga
|
|
|
Cumberland Mountain Tunnel |
|
|
Cowan
|
|
|
Bridge Mill Power Plant |
|
|
Pawtucket, RI
|
|
|
Wanskuck Historic District |
|
|
Providence, RI
|
|
|
Capt H P Farrar House |
|
|
Jackson
|
|
|
Camp Endicott |
|
|
North Kingstown, RI
|
|
|
Harrisburg Covered Bridge |
|
|
Harrisburg
|
|
|
Elmwood Cemetery Office and Entrance Bridge |
|
|
Memphis, TN
|
|
|
Atlanta Dam and Power Plant |
|
|
Atlanta
|
|
|
Harris Warehouse |
|
|
Woonsocket, RI
|
|
|
Walcott Covered Bridge |
|
|
Brooksville, KY
|
|
|
Lenoir Cotton Mill |
|
|
Lenoir City
|
|
|
Bourbon Iron Works |
|
|
Owingsville
|
|
|
Ringos Mill Covered Bridge |
|
|
Flemingsburg
|
|
|
Hillsboro Covered Bridge |
|
|
Hillsboro
|
|
|
Goddard Bridge |
|
|
Goddard
|
|
|
Colville Covered Bridge |
|
|
Millersburg
|
|
|
Ocoee Hydroelectric Plant No 2 |
|
|
Ocoee
|
|
|
Fortress Rosecrans Site |
|
|
Murfreesboro
|
|
|
Louisville Trust Building |
|
|
Louisville, KY
|
|
|
Five Mile Drive-Sutter Creek Bridge |
|
|
Ione
|
|
|
Oldtown Covered Bridge |
|
|
Oldtown
|
|
|
Lee's Creek Covered Bridge |
|
|
Dover
|
|
|
Martin Covered Bridge |
|
|
Plainfield
|
|
|
Martin Covered Bridge |
|
|
Marshfield
|
|
|
Jefferson Davis Monument |
|
|
Fairview
|
|
|
Peterson Avenue Hill |
|
|
Louisville, KY
|
|
|
McKay, John A, House and Manufacturing Company |
|
|
Dunn
|
|
|
Mount Zion Covered Bridge |
|
|
Mooresville
|
|
|
Durgin Bridge |
|
|
Sandwich
|
|
|
Columbia Covered Bridge |
|
|
Lemington
|
|
|
Columbia Covered Bridge |
|
|
Columbia
|
|
|
Bath Covered Bridge |
|
|
Bath
|
|
|
Haverhill-Bath Covered Bridge |
|
|
Woodsville
|
|
|
Sulphite Railroad Bridge |
|
|
Franklin
|
|
|
Switzer Covered Bridge |
|
|
Switzer
|
|
|
Christman Covered Bridge |
|
|
Eaton
|
|
|
Monadnock Mills |
|
|
Claremont
|
|
|
Cornish-Windsor Covered Bridge |
|
|
Windsor, VT
|
|
|
Cornish-Windsor Covered Bridge |
|
|
Cornish City
|
|
|
Prentiss Bridge |
|
|
Langdon
|
|
|
Fullerton Dam |
|
|
Olustee
|
|
|
Blow-Me-Down Covered Bridge |
|
|
Plainfield
|
|
|
Initial Point |
|
|
Davis
|
|
|
Stone Bridge |
|
|
Hartford
|
|
|
Johnson Creek Covered Bridge |
|
|
Mount Olivet
|
|
|
Bennett's Mill Covered Bridge |
|
|
Greenup
|
|
|
Union Station |
|
|
Louisville, KY
|
|
|
Sand Key Lighthouse |
|
|
Sand Key
|
|
|
Stumphouse Tunnel Complex |
|
|
Walhalla
|
|
|
Scotland Manson, Frankfort |
|
|
Frankfort
|
|
|
Gunnison Tunnel |
|
|
Montrose
|
|
|
Patterson Hotel |
|
|
Bismarck, ND
|
|
|
Marmaton Bridge |
|
|
Fort Scott
|
|
|
Smuggler-Union Hydroelectric Power Plant |
|
|
Telluride, CO
|
|
|
Georgetown Loop Railroad |
|
|
Silver Plume
|
|
|
Georgetown Loop Railroad |
|
|
Georgetown
|
|
|
Denver, Boulder and Western Railway Historic District |
|
|
Ward
|
|
|
Eastwood Park Bridge |
|
|
Minot, ND
|
|
|
Greensburg Well |
|
|
Greensburg, KS
|
|
|
Mill Springs Mill |
|
|
Mill Springs
|
|
|
Richardsville Road Bridge |
|
|
Bowling Green, KY
|
|
|
McCoy Waterwheel |
|
|
McCoy
|
|
|
Jackson Bridge |
|
|
Rockville
|
|
|
Havemeyer-Willcox Canal Pumphouse and Forebay |
|
|
Rifle
|
|
|
Austin H Dwight and Frankie A |
|
|
Shelbyville
|
|
|
Brown Palace Hotel |
|
|
Denver
|
|
|
Saguache Flour Mill |
|
|
Saguache
|
|
|
Cornwall Apartments |
|
|
Denver
|
|
|
Bronson Windmill |
|
|
Fairfield, CT
|
|
|
Ohio-Colorado Smelting and Refining Company Smokestack |
|
|
Salida
|
|
|
Bissel Street Water Tower |
|
|
City of St Louis
|
|
|
Belle Fourche River Bridge |
|
|
Belle Fourche
|
|
|
Olson Bridge |
|
|
Belle Fourche
|
|
|
Compton Hill Water Tower |
|
|
City of St Louis
|
|
|
Old Military Road |
|
|
Talihina
|
|
|
Stonelake Bridge |
|
|
Newell
|
|
|
Willow Beach Gauging Station |
|
|
Lake Mead National Recreation Area
|
|
|
Unnamed Battery No 1 |
|
|
Charleston, SC
|
|
|
Fort Pringle |
|
|
Charleston, SC
|
|
|
Battery No 1 |
|
|
Charleston, SC
|
|
|
Battery Tynes |
|
|
Charleston, SC
|
|
|
Battery LeRoy |
|
|
Charleston, SC
|
|
|
Battery No 5 |
|
|
Charleston, SC
|
|
|
Unnamed Battery |
|
|
Charleston, SC
|
|
|
Fort Trenholm |
|
|
Johns Island, SC
|
|
|
Fort Palmetto |
|
|
Hamlin Sound
|
|
|
Battery Cheves |
|
|
Fort Johnson Estates
|
|
|
Battery Gadsden |
|
|
Sullivan's Island, SC
|
|
|
Battery Thomson |
|
|
Sullivan's Island, SC
|
|
|
Santee Canal |
|
|
Moncks Corner
|
|
|
Seabrook, John, Plantation Bridge |
|
|
Rockville
|
|
|
Old City Waterworks |
|
|
Tallahassee
|
|
|
Morris Island Lighthouse |
|
|
Folly Beach
|
|
|
Cape Romain Lighthouses |
|
|
Cape Romain National Wildlife Refuge, SC
|
|
|
Launch Complex 39 |
|
|
Kennedy Space Center
|
|
|
Hunting Island State Park Lighthouse |
|
|
Hunting Island State Park, SC
|
|
|
Lock No 1, North New River Canal |
|
|
Plantation
|
|
|
ISLAND LARK (log canoe) |
|
|
St Michaels
|
|
|
US Customhouse |
|
|
Charleston, SC
|
|
|
Parris Island Drydock and Commanding Generals House |
|
|
Marine Corps Recruit Depot Parris Island, SC
|
|
|
Browntown |
|
|
Johnsonville
|
|
|
Prather's Bridge, Westminster |
|
|
Westminster
|
|
|
Melton-Fortune Farmstead |
|
|
Golden Valley
|
|
|
Old Lock Pump House, Chesapeake and Delaware Canal |
|
|
Chesapeake City
|
|
|
Columbia Canal |
|
|
Columbia, SC
|
|
|
Fort Worden |
|
|
Port Townsend
|
|
|
Historic Camden Revolutionary War Restoration |
|
|
Camden, SC
|
|
|
Mercer Museum |
|
|
Doylestown
|
|
|
New York State Capitol |
|
|
Albany
|
|
|
Early Cotton Press |
|
|
Latta
|
|
|
Octagon House |
|
|
Laurens
|
|
|
Horry-Guignard House |
|
|
Columbia, SC
|
|
|
W B Smith Whaley House |
|
|
Columbia, SC
|
|
|
Gervais Street Bridge |
|
|
West Columbia, SC
|
|
|
Gervais Street Bridge |
|
|
Columbia, SC
|
|
|
Fort Macon |
|
|
Bogue Banks
|
|
|
Landsford Canal |
|
|
Landsford Canal State Park
|
|
|
White Furniture Company |
|
|
Mebane
|
|
|
Richardson Silk Mill |
|
|
Belding
|
|
|
First Presbyterian Church |
|
|
Fayetteville
|
|
|
Cotton Press |
|
|
Tarboro
|
|
|
Second Street Bridge |
|
|
Allegan
|
|
|
Michigan State Prison |
|
|
Jackson, MI
|
|
|
Sixth Street Bridge |
|
|
Grand Rapids
|
|
|
Musgrove Evans House |
|
|
Tecumseh
|
|
|
Fort Wayne |
|
|
Detroit
|
|
|
Detroit Masonic Temple |
|
|
Detroit
|
|
|
Ypsilanti Water Works Stand Pipe |
|
|
Ypsilanti, MI
|
|
|
Croton Hydroelectric Plant |
|
|
Newaygo
|
|
|
Jackson Iron Company Site |
|
|
Negaunee, MI
|
|
|
Dumbarton Bridge |
|
|
Washington, DC
|
|
|
East Capitol Street Carbarn |
|
|
Washington, DC
|
|
|
National Building Museum |
|
|
Washington, DC
|
|
|
Fish Creek Covered Bridge |
|
|
Hundred
|
|
|
Wheeling Suspension Bridge |
|
|
Wheeling
|
|
|
Indian Creek Covered Bridge |
|
|
Salt Sulphur Springs
|
|
|
Stewart Hall |
|
|
Morgantown
|
|
|
Cathedral of the Sacred Heart |
|
|
Newark
|
|
|
Fink-Type Truss Bridge |
|
|
Allerton
|
|
|
Meems Bottom Covered Bridge |
|
|
Mount Jackson
|
|
|
Delaware and Raritan Canal |
|
|
Somerville
|
|
|
Delaware and Raritan Canal |
|
|
New Brunswick, NJ
|
|
|
Delaware and Raritan Canal |
|
|
Lambertville
|
|
|
Delaware and Raritan Canal |
|
|
Trenton
|
|
|
Gen William Mitchell House |
|
|
Middleburg
|
|
|
Gen William Mitchell House |
|
|
Middleburg
|
|
|
Goose Creek Stone Bridge |
|
|
Middleburg
|
|
|
Pennsylvania Railroad Bridge |
|
|
Trenton
|
|
|
Mason and Dixon Survey Terminal Point |
|
|
Pentress
|
|
|
Easton Roller Mill |
|
|
Morgantown
|
|
|
Barnegat Lighthouse |
|
|
Barnegat Light, NJ
|
|
|
Barrackville Covered Bridge |
|
|
Barrackville
|
|
|
Mud River Covered Bridge |
|
|
Milton
|
|
|
Jones Mill Run Historic District |
|
|
Martinsburg
|
|
|
Mill Creek Historic District |
|
|
Bunker Hill
|
|
|
Carrolton Covered Bridge |
|
|
Carrollton
|
|
|
Poole and Hunt Company Buildings |
|
|
Baltimore, MD
|
|
|
Evergreen on the Falls |
|
|
Baltimore, MD
|
|
|
Powers Building |
|
|
City of Rochester
|
|
|
Marcellus Pedrick House |
|
|
Ripon, WI
|
|
|
Erie Canal: Second Genesee Aqueduct |
|
|
City of Rochester
|
|
|
Savage House |
|
|
Stoughton
|
|
|
Parachute Jump |
|
|
New York City
|
|
|
College Park Airport |
|
|
College Park
|
|
|
Ashland Bridge |
|
|
Ashland, De
|
|
|
Wilmington and Western Railroad |
|
|
Hockessin, DE
|
|
|
Bollman Suspension and Trussed Bridge |
|
|
Savage
|
|
|
Fort Screven Historic District |
|
|
Tybee Island
|
|
|
Hope District |
|
|
Hope
|
|
|
Theodore Burr House |
|
|
Oxford
|
|
|
Fort Montgomery, Lake Champlain |
|
|
Rouses Point
|
|
|
Cromer's Mill Covered Bridge |
|
|
Royston, GA
|
|
|
Poughkeepsie Railroad Bridge |
|
|
Poughkeepsie, NY
|
|
|
Tioronda Bridge |
|
|
Beacon, NY
|
|
|
Symphony and Horticultural Halls |
|
|
Boston
|
|
|
Fort Haldimand Site |
|
|
Cape Vincent, NY
|
|
|
Middlesex Canal |
|
|
Wilmington
|
|
|
Middlesex Canal |
|
|
Billerica
|
|
|
Middlesex Canal |
|
|
Chelmsford, MA
|
|
|
Middlesex Canal |
|
|
Lowell, MA
|
|
|
Middlesex Canal |
|
|
Woburn
|
|
|
Daisy Flour Mill, Inc |
|
|
City of Rochester
|
|
|
Saddle Rock Grist Mill |
|
|
North Hempstead
|
|
|
Underground Atlanta Historic District |
|
|
Atlanta, GA
|
|
|
Howard's Covered Bridge |
|
|
Smithsonia
|
|
|
Municipal Asphalt Plant |
|
|
New York City
|
|
|
Cummins Station |
|
|
Nashville, TN
|
|
|
Pennsylvania Railroad Bridge |
|
|
Pittsburgh
|
|
|
Dungcas Beach Defense Guns |
|
|
Tamuning, GU
|
|
|
Fort Mifflin |
|
|
Philadelphia, PA
|
|
|
Fort Mifflin Hospital |
|
|
Philadelphia, PA
|
|
|
Philadelphia Savings Fund Society Building |
|
|
Philadelphia, PA
|
|
|
S Bridge |
|
|
Washington
|
|
|
Old Blenheim Bridge |
|
|
North Blenheim
|
|
|
Knowles Grain Elevator |
|
|
Knowles
|
|
|
Old Interurban Bridge, Gates Mills |
|
|
Gates Mills
|
|
|
Masonic Temple Building |
|
|
Raleigh
|
|
|
Moratock Iron Furnace |
|
|
Danbury
|
|
|
Roberson's Fish Trap Shoal Sluice |
|
|
Madison
|
|
|
Chautauqua Pavilion |
|
|
Hastings
|
|
|
Grey Cloud Lime Kiln |
|
|
Cottage Grove
|
|
|
Dale Creek Crossing (48AB145) |
|
|
Ames Monument
|
|
|
Sturgeon Point Light Station |
|
|
Harrisville
|
|
|
Thunder Bay Island Light Station |
|
|
Alpena
|
|
|
Saginaw River Light Station |
|
|
Bay City
|
|
|
Point Betsie Light Station |
|
|
Frankfort, MI
|
|
|
St Martin Island Light Station |
|
|
Fairport
|
|
|
Skillagalee Light Station |
|
|
Cross Village
|
|
|
White Shoal Light Station |
|
|
Mackinaw City
|
|
|
Harbor Beach Lighthouse |
|
|
Harbor Beach
|
|
|
Gull Rock Light Station |
|
|
Copper Harbor
|
|
|
Manitou Island Light Station |
|
|
Copper Harbor
|
|
|
Eagle Harbor Light Station |
|
|
Eagle Harbor
|
|
|
Grand Traverse Light Station |
|
|
Northport
|
|
|
Marquette Harbor Light Station |
|
|
Marquette, MI
|
|
|
Detroit River Light Station |
|
|
Rockwood
|
|
|
Little Sable Point Light Station |
|
|
Golden Township
|
|
|
Forty Mile Point Light Station |
|
|
Alpena
|
|
|
Seul Choix Pointe Light Station |
|
|
Gulliver
|
|
|
North Bonneville Archeological District |
|
|
North Bonneville
|
|
|
Tawas Point Light Station |
|
|
East Tawas
|
|
|
Fremont Bridge |
|
|
Seattle
|
|
|
Ballard Bridge |
|
|
Seattle
|
|
|
Vance Creek Bridge |
|
|
Shelton
|
|
|
Washington Street Bridge |
|
|
Spokane, WA
|
|
|
West Monitor Bridge |
|
|
Monitor
|
|
|
The Yellowstone Road |
|
|
Redmond
|
|
|
Winslow Railroad Bridge |
|
|
Colville
|
|
|
Yale Bridge |
|
|
Yale
|
|
|
Cambria Iron Company |
|
|
Johnstown
|
|
|
Louis S Marsh House |
|
|
Kirkland, WA
|
|
|
Rafael Guastavino Sr Estate |
|
|
Black Mountain
|
|
|
Table Rock State Park Historic District |
|
|
Pickens
|
|
|
Delaware Boundary Markers |
|
|
Delaware
|
|
|
Greenport Railroad Station |
|
|
Southold
|
|
|
American Thermos Bottle Company Laurel Hill Plant |
|
|
Norwich, CT
|
|
|
Southern Railroad Bridge |
|
|
Rockford
|
|
|
DELTA QUEEN (Steamboat) |
|
|
New Orleans
|
|
|
WP SNYDER, JR (steamboat) |
|
|
Marietta
|
|
|
U-505 (IX C U-Boat) |
|
|
Museum of Science and Industry
|
|
|
Utica State Hospital |
|
|
Utica, NY
|
|
|
Miami-Erie Canal Site Historic District |
|
|
West Chester
|
|
|
FIREBOAT NO1 |
|
|
Tacoma
|
|
|
BELLE OF LOUISVILLE (steamer) |
|
|
Louisville, KY
|
|
|
MONTGOMERY (snagboat) |
|
|
Pickensville
|
|
|
Meridian Waterworks Pumping Station and Clear Water Basin |
|
|
Meridian
|
|
|
Draw Bridge at New Bridge |
|
|
New Milford
|
|
|
Draw Bridge at New Bridge |
|
|
Teaneck
|
|
|
Draw Bridge at New Bridge |
|
|
River Edge
|
|
|
Gorge Hydroelectric Power Plants |
|
|
Newhalem
|
|
|
Diablo Hydroelectric Power Plant |
|
|
Newhalem
|
|
|
Gilbert Bridge |
|
|
Grantham
|
|
|
Gilbert Bridge |
|
|
Siddonsburg
|
|
|
Hell Canyon Bridge |
|
|
Drake
|
|
|
Fish Creek Bridge |
|
|
Tortilla Flat
|
|
|
Golden West Lodge Historic District |
|
|
Lake Chelan National Recreation Area
|
|
|
SS WINFIELD SCOTT (Steamship) |
|
|
Anacapa Island
|
|
|
Catlow Theatre |
|
|
Barrington, IL
|
|
|
Walland Bridge |
|
|
Walland
|
|
|
MacGregor Ranch |
|
|
Estes Park
|
|
|
Site of Old Croton Dam |
|
|
Ossining, NY
|
|
|
Soo Line High Bridge |
|
|
Stillwater
|
|
|
Soo Line High Bridge |
|
|
Arcola Bluffs Day Use Area, Saint Croix NSR
|
|
|
Atlantic Avenue Tunnel |
|
|
New York City
|
|
|
Gilsum Stone Arch Bridge |
|
|
Gilsum
|
|
|
North Charlotte Street Historic District |
|
|
Lancaster, PA
|
|
|
Millwood |
|
|
Greensboro
|
|
|
Solar Building |
|
|
Albuquerque
|
|
|
JEAN (steamboat) |
|
|
Portland
|
|
|
Calderwood Dam |
|
|
Calderwood
|
|
|
Calderwood Dam |
|
|
Calderwood
|
|
|
Split Rock Bridge |
|
|
Ihlen
|
|
|
Zumbro Parkway Bridge |
|
|
Zumbro Falls
|
|
|
Mendota Road Bridge |
|
|
St Paul, MN
|
|
|
Seventh Street Improvement Arches |
|
|
St Paul, MN
|
|
|
Anji Bridge, Zhaozhou |
|
|
Shijiazhuang, CH
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Yellow Bank Church Campground Bridge |
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Odessa
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Kennedy Bridge |
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Mankato, MN
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Wabasha Street Bridge |
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St Paul, MN
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Third Street Bridge |
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Cannon Falls
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Bridge No 12 |
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Red Wing, MN
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Bridge No L-2162 |
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Jasper
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Interlachen Bridge |
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Minneapolis
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Bridge No L-2315 |
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Luverne, MN
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Bridges No L-5853 and 92247 |
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St Paul, MN
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Bridge No L-2316 |
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Luverne, MN
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Cedar Avenue Bridge |
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Minneapolis
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Robert Street Bridge |
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St Paul, MN
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Queene Avenue Bridge |
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Minneapolis
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Nymore Bridge |
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Bemidji
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Huntington Beach Municipal Pier |
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Huntington Beach, CA
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Stillwater Bridge |
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Stillwater
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Stillwater Bridge |
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Houlton, WI
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Mayo's Bar Lock and Dam |
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Rome, GA
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Virginian Railway Underpass |
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New Ellett
|
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Meriden Rock Creek Bridge |
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Meriden
|
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Head's Mill |
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Lula
|
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Erie Armory |
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Erie
|
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Kingston Armory |
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Wilkes-Barre
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Ridgway Armory |
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Ridgway
|
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Harvard Shaker Village Historic District |
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Town of Harvard, MA
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DONALD B (towboat) |
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Georgetown
|
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GEO M VERITY |
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Keokuk
|
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PRESIDENT |
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City of St Louis
|
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University of Illinois Observatory |
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Urbana
|
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Muddy Creek Bridge |
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Douglass
|
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LONESTAR |
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LeClaire
|
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Pennsylvania Avenue Rock Creek Bridge |
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Independence
|
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Polecat Creek Bridge |
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Douglass
|
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Cottonwood River Bridge |
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Cottonwood Falls
|
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Esch's Spur Bridge |
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Dexter
|
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Hudgeon Bridge |
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Girard
|
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Middle Creek Tributary Bridge |
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Princeton
|
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Walnut Creek Bridge |
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Wellsville
|
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Verdigris River Bridge |
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Madison
|
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North Branch Otter Creek Bridge |
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Piedmont
|
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Wide Mouth Shoal Sluice |
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Eden
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Pin Oak Hollow Bridge |
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Lake of the Ozarks State Park
|
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Abram Allen House |
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Milton
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Brownsville Bridge |
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West Brownsville
|
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Brownsville Bridge |
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Brownsville
|
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Waterville Bridge |
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Swatara Gap
|
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Spokane River Bridge |
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Spokane, WA
|
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Grimes Octagon Barn |
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West Union
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Egg Rock Light Station |
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Winter Harbor
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Faro di Punta Higuero |
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Rincon
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Faro de los Morrillos de Cabo Rojo |
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Pole Ojea
|
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Niantic River Railroad Bridge |
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|
East Lyme
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Connecticut River Railroad Bridge |
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Old Saybrook
|
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Connecticut River Railroad Bridge |
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Old Lyme
|
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Thames River Railroad Bridge |
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|
Groton, CT
|
|
|
Carson River Diversion Dam |
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|
Fallon
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Lahontan Dam and Power Station |
|
|
Fallon
|
|
|
West Union Bridge |
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|
Montezuma
|
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Billie Creek Bridge |
|
|
Rockville
|
|
|
HENRY CHISHOLM |
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|
Isle Royale National Park
|
|
|
Ashtabula Harbor Light |
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|
Ashtabula
|
|
|
Port Sanilac Light Station |
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Port Sanilac
|
|
|
Duluth South Breakwater Inner (Duluth Range Rear) Lighthouse |
|
|
Duluth, MN
|
|
|
Chicago Harbor Lighthouse |
|
|
Chicago
|
|
|
Two Harbors Light Station |
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|
Two Harbors
|
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Plum Island Range Rear Light |
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|
Gills Rock
|
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Sherwood Point Light Station |
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|
Sturgeon Bay
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Sturgeon Bay Canal Lighthouse |
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|
Sturgeon Bay
|
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Cedar Point Light |
|
|
Sandusky
|
|
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Buffalo River Bridge |
|
|
Pruitt
|
|
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St Louis-San Francisco Overpass |
|
|
Imboden
|
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Davies Bridge |
|
|
Petit Jean State Park
|
|
|
Achmun Creek Bridge |
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|
Ola
|
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Lincoln Avenue Viaduct |
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|
Little Rock
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South Fork Bridge |
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|
Fountain Lake
|
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Lakeshore Drive Bridge |
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|
North Little Rock, AR
|
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St Francis River Bridge |
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Lake City
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Newport Bridge |
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Newport
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Cameron Suspension Bridge |
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|
Cameron
|
|
|
Navajo Steel Arch Highway Bridge |
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|
Marble Canyon
|
|
|
Roosevelt Dam |
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|
Roosevelt
|
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|
Gillespie Dam Highway Bridge |
|
|
Gila Bend
|
|
|
Chevelon Creek Bridge |
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|
Winslow, AZ
|
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Antelope Hill Highway Bridge |
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|
Tacna
|
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McPhaul Suspension Bridge |
|
|
Dome
|
|
|
Ocean To Ocean Bridge |
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|
Yuma, AZ
|
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|
St Francis River Bridge |
|
|
Madison
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|
Cotter Bridge |
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|
Cotter
|
|
|
Milltown Bridge |
|
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Greenwood
|
|
|
Old US 71 - Ashdown Segment |
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|
Ashdown
|
|
|
Mulladay Hollow Bridge |
|
|
Eureka Springs, AR
|
|
|
Morseville Bridge |
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|
Taymouth Township
|
|
|
Five Mile Point Lighthouse |
|
|
New Haven, CT
|
|
|
Cos Cob Power Station |
|
|
Greenwich
|
|
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Ottauquechee River Bridge |
|
|
Hartland
|
|
|
Quechee Gorge Bridge |
|
|
Hartford
|
|
|
Gilead Brook Bridge |
|
|
Bethel, VT
|
|
|
Missisquoi River Bridge |
|
|
Richford
|
|
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Schech Mill |
|
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Caledonia
|
|
|
Borneman Mill |
|
|
Bally
|
|
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Seyfert Mill |
|
|
Strausstown
|
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|
Snyder Mill |
|
|
Limekiln
|
|
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Thompson Mill |
|
|
Gibraltar
|
|
|
Genesee Park |
|
|
Golden
|
|
|
Lariat Trail Scenic Mountain Drive |
|
|
Golden
|
|
|
Penfield Reef Lighthouse |
|
|
Bridgeport, CT
|
|
|
Point Douglas-St Louis River Road Bridge |
|
|
Stillwater
|
|
|
Main Street Bridge |
|
|
Stamford, CT
|
|
|
Wright Cycle Company-Wright and Wright Printing Offices |
|
|
Dayton, OH
|
|
|
Condit Hydroelectric Power Plant |
|
|
Underwood
|
|
|
Belton Standpipe |
|
|
Belton
|
|
|
Tauy Creek Bridge |
|
|
Ottawa
|
|
|
Leatherwood Dam |
|
|
Eureka Springs, AR
|
|
|
Dreibelbis Mill |
|
|
Shoemakersville
|
|
|
Kauffman Mill |
|
|
Shartlesville
|
|
|
Great American Racing Derby |
|
|
Sandusky
|
|
|
City of Alliance Central Park Fountain |
|
|
Alliance
|
|
|
Old Erie Canal State Historic Park |
|
|
New York
|
|
|
Bronx River Parkway Reservation |
|
|
Mount Pleasant, NY
|
|
|
Bronx River Parkway Reservation |
|
|
Bronxville
|
|
|
Waddell 'A' Truss Bridge |
|
|
Parkville
|
|
|
James River and Kanawha Canal Historic District |
|
|
Richmond
|
|
|
Miah Maull Shoal Lighthouse |
|
|
|
|
|
Yoder Mill |
|
|
Pikeville
|
|
|
Colburn Bridge |
|
|
Pittsford
|
|
|
Green Island Light |
|
|
South Bass Island
|
|
|
Confederate Avenue Steel Arch Bridge |
|
|
Vicksburg National Military Park
|
|
|
Thompson's Bridge |
|
|
Allen's Mills
|
|
|
Rivervale Inverted Siphons |
|
|
Rivervale
|
|
|
Stamford Harbor Lighthouse |
|
|
Stamford, CT
|
|
|
Great Falls Hydroelectric Station |
|
|
Rock Island
|
|
|
Kay Moor |
|
|
Fayetteville
|
|
|
Lake Zumbro Hydroelectric Generating Plant |
|
|
Mazeppa
|
|
|
Agana-Hagatna Pillbox |
|
|
Hagatna, GU
|
|
|
As Sombreru Pillbox III |
|
|
Tamuning, GU
|
|
|
As Sombreru Pillbox II |
|
|
Tamuning, GU
|
|
|
As Sombreru Pillbox I |
|
|
Tamuning, GU
|
|
|
Ayulang Pillbox |
|
|
Hagatna, GU
|
|
|
Garapan Mount Pillbox |
|
|
Talo'fo'fo, GU
|
|
|
Ilik River Fortification I |
|
|
Yona, GU
|
|
|
Ilik River Fortification II |
|
|
Yona, GU
|
|
|
Ipao Pillbox I |
|
|
Tamuning, GU
|
|
|
Ipao Pillbox II |
|
|
Tamuning, GU
|
|
|
Ipao Pillbox III |
|
|
Tamuning, GU
|
|
|
Malessu' Pillbox |
|
|
Merizo, GU
|
|
|
Naton Headland Fortification I |
|
|
Tamuning, GU
|
|
|
Naton Headland Fortification II |
|
|
Tamuning, GU
|
|
|
Oka Fortification |
|
|
Tamuning, GU
|
|
|
Pagu' Pillbox I |
|
|
Chalan Pago-Ordot, GU
|
|
|
Pagu' Pillbox II |
|
|
Chalan Pago-Ordot, GU
|
|
|
Talofofo-Talu'fofu' Pillbox |
|
|
Talo'fo'fo, GU
|
|
|
Tokcha' Pillbox |
|
|
Yona, GU
|
|
|
Tomhum Cliffline Fortification III |
|
|
Tamuning, GU
|
|
|
Tomhum Pillbox II |
|
|
Tamuning, GU
|
|
|
Tomhum Pillbox III |
|
|
Tamuning, GU
|
|
|
Tonhum Fortification I |
|
|
Tamuning, GU
|
|
|
Umatac-Umatak Pillbox |
|
|
Humatak, GU
|
|
|
Mana Pillbox |
|
|
Talo'fo'fo, GU
|
|
|
Matala' Pillbox |
|
|
Talo'fo'fo, GU
|
|
|
Hawes, J H, Elevator |
|
|
Atlanta
|
|
|
Gongna Beach Gun Emplacement |
|
|
Tamuning, GU
|
|
|
Gongna Beach Gun Mount |
|
|
Tamuning, GU
|
|
|
Gongna Beach Mount Pillbox |
|
|
Tamuning, GU
|
|
|
Inalahan Pillbox |
|
|
Inarajan, GU
|
|
|
Sanvitores Beach Japanese Fortification |
|
|
Tamuning, GU
|
|
|
Tomhum Cliffline Fortification I |
|
|
Tamuning, GU
|
|
|
Tomhum Cliffline Fortification II |
|
|
Tamuning, GU
|
|
|
Tomhum Pillbox I |
|
|
Tamuning, GU
|
|
|
Leap-the-Dips |
|
|
Altoona
|
|
|
Agana - Hagatna Cliffline Fortifications |
|
|
Hagatna, GU
|
|
|
Port Republic Historic District |
|
|
Port Republic
|
|
|
US 12 St Joseph River Bridge |
|
|
Mottville
|
|
|
Johnson, Nicholas, Mill |
|
|
New Berlinville
|
|
|
Guldin Mill |
|
|
Blandon
|
|
|
Knabb-Bieber Mill |
|
|
Stony Creek Mills
|
|
|
Geiger Mill |
|
|
Geigertown
|
|
|
Bear Creek Canyon Scenic Mountain Drive |
|
|
Morrison
|
|
|
Hangars 4 and 5, Pope Air Force Base |
|
|
Pope Air Force Base
|
|
|
Capitol Boulevard Memorial Bridge |
|
|
Boise, ID
|
|
|
Darlington Covered Bridge |
|
|
Darlington, IN
|
|
|
Utter-Gerig Round Barn |
|
|
Akron
|
|
|
Turn-of-River Bridge |
|
|
Stamford, CT
|
|
|
Yosemite Valley Bridges |
|
|
Yosemite National Park
|
|
|
Burton Farmers Gin |
|
|
Burton
|
|
|
Brazoria Bridge |
|
|
Brazoria
|
|
|
Dinwiddie County Pullman Car |
|
|
Midlothian
|
|
|
Woodbine Cottage Experimental Rammed Earth Wall |
|
|
Brookings
|
|