A Mars simulation in the southern Utah desert.

Come for the speed, leave in love with the desert.

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 sculpture for the sun and stars, created by Nancy Holt.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Albuquerque found the perfect use for tumbleweeds at Christmastime.

This sparsely populated town offers a look back in time.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

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

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

A blacklight journey through a celestial art exhibit.

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

The U.S. Air Force has an anti-satellite laser weapon.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

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

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.