Basic Park Information Protect Our Parks How will Climate Change Affect Yellowstone in 100 Years? “YS-Mammoth-Upper-Terrace_WikiPD_JonSullivan_680” "Public Domain Photo by Jon Sullivan" 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