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.

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

One of the best examples of Art Deco architecture in the United States.

The largest land animal skull ever discovered.

Circus cemetery for all the “showmen under God’s big top.”

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

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

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

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

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

The final resting place and once home of the Bandit Queen of the West.

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

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.

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

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

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

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

Nature's biggest mammal swims in landlocked Oklahoma.

An acoustic anomaly with a mysterious cause.

This former mining town was named the most toxic town in America.