Last used by prehistoric Sinagua Indians over 600 years ago, Montezuma Castle has been called one of the best preserved cliff dwellings in North America.
Opportunities for hiking, boating, swimming, and fishing abound at Glen Canyon National Recreation Area, which stretches from Arizona to southern Utah.
The site of a Chiricahua Apache and U.S. military conflict, Fort Bowie National Historic Site remembers U.S. soldiers who settled the western frontier.
Canyon de Chelly is unique among National Park Service units, as it is comprised entirely of Navajo Tribal Trust Land that remains home to the canyon community.
Twenty-seven million years ago a volcanic eruption of immense proportions shook the land around Chiricahua National Monument, a mecca for hikers and birders.