Tulsa's historic skyscrapers define the oil boom era of Art Deco construction, and are known for their ornate arched lobbies.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

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

The final resting place of infamous outlaw Clyde and Marvin Barrow.

The final resting place of an outlaw, whose legend grew after death.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

Learn all about this iconic air rifle without putting an eye out.

This mill has survived a tumultuous past to still produce flour and cornmeal.

One of the oldest show caves in Arkansas.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This century-old roadside attraction is full of bizarre rock formations.

The warmest cave in the Ozarks features two seemingly bottomless lakes.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Who said a biker bar is no place for a taxidermy squirrel collection?

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

During the 19th-century, this park was a vital trading fort.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

One of the world's earliest skyscrapers.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of few surviving standpipe water towers in the U.S.