Giant heads occasionally litter the industrial Houston neighborhood where sculptor David Adickes has his studio.

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

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

A modernist landscape of water and sci-fi concrete.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

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

Oddly shaped rock formation, misassociated with a nearby utopian community.

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

Massive still life just off the highway in Kansas.

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

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

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

One of the smallest towns in the United States.

Even in death, he's still your huckleberry.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

An annual festival celebrating Colorado's most famous frozen corpse.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

This iconic science fiction house still looks like something from the future.