| Place | Type | AsNotedIn | Locale | |
|---|---|---|---|---|
| Place | Type | AsNotedIn | Locale | |
| Sandy Point State Park | Place | Maryland | ||
| Patuxent River State Park | Place | Maryland | ||
| Love Point State Park | River Environment | Stevensville | ||
| Matapeake State Park | Building | Stevensville | ||
| Gunpowder Falls State Park | River Environment | Maryland | ||
| Gathland State Park | Place | Maryland | ||
| Chapman State Park | Town | Maryland | ||
| Rosaryville State Park | Place | Maryland | ||
| Point Lookout State Park | Place | Maryland | ||
| Casselman's Bridge, National Road | Grantsville | |||
| Fort Frederick State Park | Big Pool | |||
| St Clement's Island Historic District |
|
Colton |
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