This is not your typical jungle gym.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The first "Hut" was actually a small brick building.

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.

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

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.

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

The Grand Canyon of Texas.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

The Grand Canyon’s original airport, which once welcomed pilots like Amelia Earhart and Charles Lindbergh, lies abandoned.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

An homage to everyone's favorite prehistoric cartoon family.

A motel dedicated to Southwestern nostalgia.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

This 1930s log cabin began as a taxidermy museum but is now a popular country music venue.

An important piece of history from mankind's journey to the moon sits in the lobby of a government science lab.