Spread across nearly 3,500 square miles and home to some 60 animal species and almost half of the world's geysers, visitors could explore Yellowstone National Park for weeks and not see everything in the country's first national park.
CNN.com - Living, CNN: Living
Tue, 03/19/2013 - 7:12am
Spread across nearly 3,500 square miles and home to some 60 animal species and almost half of the world's geysers, visitors could explore Yellowstone National Park for weeks and not see everything in the country's first national park.