Established: October 27, 1986 Location: Nevada Area: 77,180 acres Visitation (2017): 168,028 Visitation Increase Since 2000: 107.3% National Park Service Official Website
Established: September 13, 2004 Location: Colorado Area: 42,984 acres Visitation (2017): 486,935 Visitation Increase Since 2000: 86.7% National Park Service Official Website
Established: June 15, 1934 Location: North Carolina, Tennessee Area: 521,490 acres Visitation (2017): 11,338,893 Visitation Increase Since 2000: 11.4% National Park Service Official Website