Everglades National Park

Location: Florida

Year Established: 1934

Area: 1,508,537.90 acres (6,104.8 km2)

Annual Visitors: 1,110,901

The Everglades are the largest subtropical wilderness in the United States. This mangrove ecosystem and marine estuary is home to 36 protected species, including the Florida panther, American crocodile, and West Indian manatee. Some areas have been drained and developed; restoration projects aim to restore the ecology.