Proclaimed America's first National Monument in 1906, Devil's Tower Monument is the remnant of an ancient volcanic feature. While the tower sees almost 400,000 visitors each year, it is still a place of worship to many American Indian tribes. A popular spot for climbers, Devil's Tower has a campground and a visitor's center. Address: PO Box 10 Devils Tower WY 82714-0010 1 307 467-5283
1 307 467-5283