Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.

The secret city built by the Manhattan Project.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

Dad jokes and wordplay abound in this comic fake cemetery.

The Quapaw tribe supplies the meat and produce in this Oklahoma casino restaurant.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

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

A peculiar forest that was handcrafted for government experiments.

No matter what the plaque under this massive legume says, this is not the world's largest peanut.

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Over 50 historic windmills whir away at this outdoor museum.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

When you can afford only half a road, you build only half a road.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

These massive mitts are made of 30 tons of devotional bronze.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.