An abandoned NSA listening post on Berlin's "Devil's Mountain."

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

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

A motel dedicated to Southwestern nostalgia.

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

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

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

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

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

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The oldest continuously occupied public building in the United States.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

A natural formation that resembles a camel resting in the New Mexico desert.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

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