Spanning over 2.2 million acres (890,000 hectares), Yellowstone National Park is stuffed full of stupendous scenery created by volcanoes and earthquakes or carved out by ice and water.This rich environment also creates a home for a multitude of wildlife, but how much do you really know about it? Start the quiz below to find out if your knowledge is steaming hot like a geyser or stuck back in the ice age.
Remember to log in to put your name on the leaderboard; hints are available if you click the yellow button!
