Road Trips Stops on the Way Wyoming Stops on the Way Get Outside in Wind River Country Hiking to Popo Agie Falls is an experience that people of all ages will enjoy. Hiking to Popo Agie Falls is an experience that people of all ages will enjoy. Share this Facebook Icon Twitter Icon Email Icon Join Yellowstone National Park Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join Yellowstone National Park Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Photo: by Kyle Duba courtesy of Wind River Country