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Region
- Mars (Planet)52
- Arsia Mons (Mars)7
- Florida4
- Hellas Planitia (Mars)4
- Fire Island National Seashore (N.Y.)3
- Moon3
- Atlantic Coast (Fla.)2
- Gulf Coast (Fla.)2
- Gulf Islands National Seashore (Fla. and Miss.)2
- Mercury (Planet)2
- Assateague Island National Seashore (Md. and Va.)1
- Dry Tortugas National Park (Fla.)1
- Florida Keys National Marine Sanctuary (Fla.)1
- FloridaDry Tortugas National Park1
- FloridaFlorida Keys National Marine Sanctuary1
- MarylandThomas Stone National Historic Site1
- New JerseySandy Hook Unit of Gateway National Recreation Area1
- New York (State)Fire Island National Seashore1
- Sandy Hook Unit of Gateway National Recreation Area (N.J.)1
- Thomas Stone National Historic Site (Md.)1