Often referred to as the largest spring in America.

A version of this picturesque mill has existed since the 1800s.

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

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

One of the deepest springs in Missouri.

University City's quirkiest resident lives in a park named after its first.

Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

This Moab institution functions as both a rock store and a small natural history museum.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

A museum dedicated to the alleged Roswell Incident.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Curious rock formations in a tiny Kansas state park.

One man's quest to save his town with a trail of record-breaking sculptures.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Nature's biggest mammal swims in landlocked Oklahoma.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.