. "Fort Jefferson is a massive but unfinished coastal fortress. It is the largest masonry structure in the Americas, and is composed of over 16 million bricks. The Dry Tortugas are part of Monroe County, Florida, United States. The fort is located on Garden Key in the lower Florida Keys within the Dry Tortugas National Park, about west of the island of Key West."@en . "300"^^ . . "\"Fort Jefferson Preservation\""@en . "Imperial"@en . . . . "Country"@en . . "25.747"^^ . "M5VqlcHxD90"@en . . . . . . . "-4"^^ . . . "US-FL"@en . "-80.94"^^ . "Fort Jefferson, Florida"@en . . . "-5"^^ . "State"@en . "Fort-Jefferson Dry-Tortugas.jpg"@en . . "Fort Jefferson, Florida"@en . "EDT"@en . "Fort Jefferson is a massive but unfinished coastal fortress. It is the largest masonry structure in the Americas, and is composed of over 16 million bricks. The Dry Tortugas are part of Monroe County, Florida, United States. The fort is located on Garden Key in the lower Florida Keys within the Dry Tortugas National Park, about west of the island of Key West."@en . . "Fort Jefferson is no longer in use and is currently part of the Dry Tortugas National Park."@en . . . . "Eastern"@en . .