A private collection of massive steel monsters guarding a Texas pipe works.

A little bit Wonkatania, a little bit pink elephant.

A Mayan village preserved for centuries in volcanic ash.

A legendary tree towers within its own vibrant sanctuary.

A swamp and garden tour featuring local wildlife and exotic botanical specimens from around the world.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

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

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

The fifth-longest natural arch in the world, and the longest outside China.

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

A grove of colossal man-made flowers built to collect the sun's rays.

A Texas museum filled with Broncos and Betties.

Exceptional Nepalese food can be found in a Texas gas station.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A mysterious "wedding cake" castle in the middle of the urban desert.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

A spiritual vortex among the red rocks in Sedona.

A self-built castle made by a mysterious man.

The state bird of New Mexico, constructed entirely out of garbage.

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

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.