Things to Do and See Park Itineraries 2 Days in Yellowstone, Our Best Vacation Itinerary Mammoth Hot Springs in Yellowstone Mammoth Hot Springs in Yellowstone 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: Unsplash/Todd Cravens