A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This geothermal hot spring hides beneath a slowly growing mineral dome.

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

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

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

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

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

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

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

A hotel with a rich Wild West history of miners and bootleggers.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part 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.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

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

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.