Things to Do and See Attractions St. Stephens Mission on the Wind River Reservation “St-Stephens-Museum_680x392” "Gloria Wadzinski" 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: Gloria Wadzinski