Staves, storm-calling, and of course, necropants.

Medicinal spa created with the discharge from a geothermal energy plant.

A collection of beautiful crystals shaped like freshly plucked roses.

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

A larger-than-life monument to the overlooked women who braved Western expansion and broke down societal barriers.

Home to the story of the outlaw turned funhouse mummy, Elmer McCurdy.

This unusually circular centenarian barn became a Route 66 icon.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

An oil baron's wild paradise and the winner of an ill-fated air race.

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

The largest land animal skull ever discovered.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Nature's biggest mammal swims in landlocked Oklahoma.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The highest bridge in America was built for an almost unnervingly small amount of money.

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

The highest point in Oklahoma used to be a lawless outlaw's paradise.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

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

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.