Hmmmmmmmmmmm...............the largest masonry structure in the entire Western Hemp.........one named after the architect of the dec of indep.............................



The park is noted for abundant sea life, tropical bird breeding grounds, colorful coral reefs, and legends of shipwrecks and sunken treasures. The park's centerpiece is Fort Jefferson, a massive but unfinished coastalfortress. Fort Jefferson is the largest masonry structure in the Western Hemisphere,^[3][4] and is composed of more than 16 million bricks. Dry Tortugas is unique in its combination of a largely undisturbed tropical ecosystem with significant historic artifacts. The park is accessible only by seaplane or boat and averages 60,000 visitors each year. Activities include snorkeling, picnicking, birdwatching, camping, scuba diving, saltwater fishing and kayaking.