This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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

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

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This sanguine boulevard was named after a deadly cowboy bar fight.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Ancient pueblos built into the base of a natural canyon wall.

The world's largest military aircraft cemetery.

A motel dedicated to Southwestern nostalgia.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This historic national park is covered in the stunning ruins of red rock pueblos.

A stealthy Apache hideaway that became the haunting site of a mass grave.

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

A reproduction of earth's many biomes.

Dramatic river bend surrounds a natural red-rocked pedestal.