This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A Wild West jailhouse that slid down the mountainside.

A museum and tribute to a brave profession.

The unusual burial monument of Arizona's first governor.

An urban laboratory.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

These aggressively sustainable art homes look like something out of 1970's science fiction.

This is one really big nut.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

Legends surround this jagged rock formation in the New Mexico desert.

See massive fossils that are over 200 million years old in northeastern Arizona.

A museum dedicated to the alleged Roswell Incident.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Recycling meets art in this colorful barricade.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.