This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

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

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

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

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

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

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

These boots are made for selfies.

The summer home of the largest colony of bats in the world.

More than 21,000 images fill this overlooked gem of a prehistoric site.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

A motel dedicated to Southwestern nostalgia.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

See massive fossils that are over 200 million years old in northeastern Arizona.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

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

This giant spider sculpture made from the iconic car is one giant visual pun.

The cluster of boulders near Fort Irwin is covered in military insignia.

There's nothing creepier than a cemetery next to a clown motel.

Eulogizing an unknown man's unusual demise.

An errant donkey ushered in a new era of mining in Nevada.