Badlands National Park

Location: South Dakota

Year Established: 1978

Area: 242,755.94 acres (982.4 km2)

Annual Visitors: 868,094

The Badlands are a collection of buttes, pinnacles, spires, and grass prairies. It has the world's richest fossil beds from the Oligocene epoch, and the wildlife includes bison, bighorn sheep, black-footed ferrets, and swift foxes.