Fort Jefferson
Fort Jefferson is a former U.S. military coastal fortress in the Dry Tortugas National Park of Florida. It is the largest brick masonry structure in the Americas, covering 16 acres (6.5 ha) and constructed of over 16 million bricks.
Fort Jefferson is a former U.S. military coastal fortress in the Dry Tortugas National Park of Florida. It is the largest brick masonry structure in the Americas, covering 16 acres (6.5 ha) and constructed of over 16 million bricks.
Fort Jefferson is a former U.S. military coastal fortress in the Dry Tortugas National Park of Florida. It is the largest brick masonry structure in the Americas, covering 16 acres (6.5 ha) and constructed of over 16 million bricks.
Source: Wikipedia "Fort Jefferson" · CC BY-SA 4.0
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