Established: October 15, 1966 Location: Texas Area: 86,416 acres Visitation (2017): 225,257 Visitation Increase Since 2000: 13.3% National Park Service Official Website
Established: August 1, 1916 Location: Hawaii Area: 29,094 acres Visitation (2017): 1,112,390 Visitation Increase Since 2000: -31.3% National Park Service Official Website
