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Fort Jefferson

Historic Fort on Atlantic Ocean in Dry Tortugas NP on Garden Key near Key West, FL
Official Website
National Register of Historic Places
Sensitive Place
Historic Forts are sensitive in nature and deserve the utmost respect. Please help preserve the area for future generations.
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Fort Jefferson is a massive but unfinished coastal fortress. It is the largest brick masonry structure in the Americas, and is composed of over 16 million bricks. Among United States forts, only Fort Monroe in Virginia and Fort Adams in Rhode Island are larger. The fort is located on Garden Key in the lower Florida Keys within the Dry Tortugas National Park, about 70 miles (110 km) west of the island of Key West. The Dry Tortugas are part of Monroe County, Florida, United States.
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