This historic theater's pipe organ still accompanies silent films just like it did in 1929.

Over 50 historic windmills whir away at this outdoor museum.

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

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

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

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

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

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

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

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

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

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

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

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

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

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

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

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 immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

An acoustic anomaly with a mysterious cause.

Competitors race wooden replicas of pungent blue cheese.

The first privately-owned space capsule to orbit and land carried a secret payload: a wheel of Le Brouère.