Established: December 12, 1919 Location: Nebraska Area: 3,005 acres Visitation (2017): 152,560 NPS Official Website
Established: January 17, 2001 Location: Arizona Area: 496,400 acres Visitation (2017): n/a BLM Official Website
Established: October 15, 1924 Location: New Jersey, New York Area: 42 acres Visitation (2017): 4,441,988 NPS Official Website
