Wyoming, United States
Established in 1872, Yellowstone National Park is America's first national park. Located in Wyoming, Montana and Idaho, it is home to a large variety of wildlife including grizzly bears, wolves,... more
Montana, United States
An early addition to the National Park Service (#10), Glacier National Park in Montana will turn 100 on May 11, 2010. The park is immense, with 1 million acres (4,047 km2),... more
