The extensive communications infrastructure of the United States Government’s Cheyenne Mountain Complex—former headquarters of NORAD—atop Cheyenne Mountain, Colorado Springs, Colorado.
Union Pacific No. 4014—one of eight surviving Big Boy locomotives—on display in Fort Worth, Texas.
The Pacific Ocean surf churns around sea stacks at Rock Point Beach, Bodega Bay, California
Railroad tracks cut across the West Texas desert towards the Davis Mountains near Marfa.
The ruins of the original Summit House—built in 1873—on the summit of Colorado‘s Pikes Peak.