Fort Jefferson National Monument

Fort Jefferson National Monument:

see Dry Tortugas National Park under Dry TortugasDry Tortugas
, island group in the Gulf of Mexico, off S Fla., 60 mi (97 km) W of Key West. Named by the Spanish explorer Ponce de León in 1513, the islands later became a pirate base. They are famous for their bird and marine life. Loggerhead Key is the largest island.
..... Click the link for more information.
.