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

Seller of surplus nuclear research materials.

This popular pilgrimage site offers a hole filled with holy healing dirt.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

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

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

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

An experimental, automotive replica of Stonehenge.

Massive still life just off the highway in Kansas.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

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

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

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

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

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

A house carved into a rock in the 1940s.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

A recreation of an Old West apothecary full of curios.

Possibly the world's only drive-in movie theater with an attached motel.

A fake mine that was made using real mining techniques which is also used as a community center.

When ecosystems collide in the arid Southwest.