A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

A cannon designed to fire an atomic warhead.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

The secret city built by the Manhattan Project.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

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

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

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

Nature's biggest mammal swims in landlocked Oklahoma.

An acoustic anomaly with a mysterious cause.

A funhouse dummy that turned out to be a real life mummy, Elmer McCurdy is an urban legend come true.

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

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

The largest land animal skull ever discovered.

The largest collection of political commercials in the world.

A collection of beautiful crystals shaped like freshly plucked roses.

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

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

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

Over 50 historic windmills whir away at this outdoor museum.

At Oklahoma Panhandle State University, a plaque marks a place once known as No Man's Land in the linear world and the fictional Kcymaerxthaere as well.

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