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

Sid Vicious famously punched a hole in the wall of this iconic music venue.

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

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

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

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

The world's only museum devoted solely to the art and collection of action figures.

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

This unusually circular centenarian barn became a Route 66 icon.

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

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

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

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

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

A collection of beautiful crystals shaped like freshly plucked roses.

The largest land animal skull ever discovered.