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%E2%80%94by 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%E2%80%94by rivers and wildlife. Photo courtesy Todd Johnson