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
Arizona, United States
The Superstition Wilderness area is open only to hikers and equestrians; no 4wd vehicles, ATVs, dirt bikes, or bicycles are permitted in the wilderness area.
