Things to Do and See Geysers and Hot Springs Grand Prismatic Spring at Yellowstone’s Midway Geyser Basin “Map-Midway-Geyser-Basin_400” "None" 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