A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Rippling sand dunes frozen in the Arizona rock.

Recycling meets art in this colorful barricade.

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

A half-acre utopia in the New Mexico desert features a graveyard, a game of horseshoes, a library, and a mailbox.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

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

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

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

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

Its founder calls it a "proletariat art renaissance".

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

Local history museum with mammoth bones and an old myth about local giants

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!