Two massive rock outcroppings on the Oregon coastline.

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

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

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.

The Grand Canyon of Texas.

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

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

A wacky, UFO-shaped house in a suburban neighborhood.

This Texas windmill field celebrates the power and majesty of the very winds that blow.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

A prison-like structure guards the remains of a notorious Old West outlaw.

The house's confection-like decorations are the result of one man's painstaking work over decades.

The 40-foot-tall votive candle is the largest of its kind.

Three hundred years of preserved Spanish colonial history in San Antonio.

These boots are made for selfies.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

A colorful public mural in San Antonio's West Side encourages students to stay in school.

Two small markers remember the Alamo's feline protectors.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A 131-year-old wunderkammer of Texas history.