Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

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

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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

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

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

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

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

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.

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

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

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

When ecosystems collide in the arid Southwest.

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

A museum devoted entirely to the rattlesnakes and snake-related art.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

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.