A trip to Yellowstone is an unbeatable vacation for anyone who loves the great outdoors -- even for those who prefer to see the great outdoors from the comfort of an air-conditioned car. From bison to bears to bobcats, and a whole lot of geothermal goodness, Yellowstone's got it all.
Question 1 of 10
How long have people inhabited the area encompassed within Yellowstone National Park?
Question 2 of 10
What year did Yellowstone become the world's first national park?
Question 3 of 10
When the Yellowstone supervolcano erupted for the first time about 2.1 million years ago, how strong was the blast compared to that of Mount St. Helens in 1980?
Question 4 of 10
How large is the most recently formed caldera?
Question 5 of 10
Yellowstone is home to what percentage of the world's hydrothermal features?
Question 6 of 10
What are fumaroles?
Question 7 of 10
How fast can bison run?
Question 8 of 10
What is the tallest active geyser in Yellowstone?
Question 9 of 10
What gives color to the Mammoth Hot Springs?
Question 10 of 10