Seller of surplus nuclear research materials.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

Crumbling remnants of what was once a booming town full of silver.

This sparsely populated town offers a look back in time.

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

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

Some of the Old West's most notorious outlaws frequented this mining town.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Home of the International Space Hall of Fame.

The world's first commercial spaceport is a disappointment of cosmic proportions.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

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

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

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

This is one really big nut.

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

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

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

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

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

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