| Almost 70 miles
      / 112.9 km west of Key West lies a cluster of seven coral reefs called the
      Dry Tortugas. These reefs along with surrounding shoals and waters make up
      Dry Tortugas National Park. Known for its famous bird and marine life, and
      its legends of pirates and sunken gold. Dry Tortugas National Park
      includes the largest of the 19th century American coastal forts. First named The Turtles, Las Tortugas, by Spanish Explorer Ponce de
      Leon in 1513, these reefs soon read "Dry Tortugas" on mariners
      charts to show they had no fresh water. In 1825 a lighthouse was built on
      Garden Key to warn sailors of rocky shoals; in 1856 the present light on
      Logger Key was built. By 1829 the United States knew it could control
      navigation to the Gulf of Mexico and protect Atlantic-bound Mississippi
      River trade by fortifying the Tortugas. Fort Jefferson's construction
      began on Garden Key in 1846 and continued for 30 years but was never
      finished.
       During the Civil War the fort was a Union military prison for
      captured deserters. It also held 4 men convicted of complicity in
      President Abraham Lincoln's assassination in 1865. The Army abandoned Fort
      Jefferson in 1874, and in 1908 the area became a wildlife refuge to
      protect the sooty tern rookery from egg collectors. President Franklin D.
      Roosevelt proclaimed Fort Jefferson National Monument in 1935. The
      Monument was redesignated on October 25, 1992 as Dry Tortugas National
      Park to protect both historical and natural features. Not least among the
      natural treasures are its namesakes, the endangered green sea turtle and
      the threatened loggerhead turtle. |