The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

When ecosystems collide in the arid Southwest.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

The prototype for all Nazi concentration camps.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Strange red rock formations that have been attributed to a higher power for hundreds of years.