Gates of the Arctic National Park

Location: Alaska

Year Established: 1980

Area: 7,523,897.74 acres (30,448.1 km2)

Annual Visitors: 12,669

The country's northernmost park protects an expanse of pure wilderness in Alaska's Brooks Range and has no park facilities. The land is home to Alaska natives, who have relied on the land and caribou for 11,000 years.