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.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This is probably not the Target you're looking for.

255 feet of suds, scrubbers, and blow dryers.

This old abandoned sign flickers to announce a motel that isn't even there.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

The only international border marker within the United States.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

A Prada store in the West Texas desert that is never open for business.

One part antique store, one part curiosities hodge-podge.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

An emerald-green grotto just a short trip from Austin.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

In Paris, Texas, even Jesus wears cowboy boots.

An homage to everyone's favorite prehistoric cartoon family.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A Wild West jailhouse that slid down the mountainside.

Eons ago, a rushing lava river formed this pristine passage through solid rock.