Established: August 20, 1969 Location: Colorado Area: 5,998 acres Visitation (2017): 71,763 NPS Official Website
Established: May 26, 1936 Location: Georgia Area: 285 acres Visitation (2017): 188,089 NPS Official Website
Established: October 15, 1924 Location: Florida Area: 228 acres Visitation (2017): 578,981 NPS Official Website