An eroded archway reveals a window into the magical chasm of Bighorn Canyon National Recreation Area located just to the east of the Greater Yellowstone Ecosystem.  In many ways they are interconnected—by rivers and wildlife. Photo courtesy Todd Johnson
An eroded archway reveals a window into the magical chasm of Bighorn Canyon National Recreation Area located just to the east of the Greater Yellowstone Ecosystem. In many ways they are interconnected—by rivers and wildlife. Photo courtesy Todd Johnson