In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

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

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Less a museum than a bizarre fantasy world created by artists and engineers.

A museum where visitors can learn about greyhounds and (more importantly) pet them.

See the motorcycles that launched the stuntman to fame and the gear that saved his life.

Massive still life just off the highway in Kansas.

Boise State's stadium was the first non-green football field in the world.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

The old fire tower is one of the last of its kind in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

The only retired U.S. nuclear missile silo that is open to the public.

A small Wyoming town is home to the state's oldest-operating soda fountain.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.