The burial grounds of a secret society includes fences topped with fake Tesla balls.

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

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

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

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

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

An innovative local park built from an abandoned sewage treatment plant.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

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

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

One of the most accessible undersea plane wrecks in the world.

They squeal, they nosh, they look like predators.

In paradise, feral pigs have claimed an island all to themselves.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

2300-year-old Roman road connecting the empire.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A semi-scholarly approach to sex.

A terrific purveyor of natural history objects and curios.

A beautiful Victorian-era cemetery, complete with a miniature village.