Theodore Roosevelt National Park in southwest North Dakota. The last photo shows the cabin where TR lived in the 1880s. His experiences here shaped his attitudes about conservation and ultimately led to the creation of the National Parks system
Devil’s Tower National Monument in Wyoming, viewed from many different angles along the loop trail that encircles the tower
Spearfish Falls, Roughneck Falls, and other places in the Spearfish Canyon Nature area of the Black Hills, South Dakota