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

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

Beloved bar home to musicians of all eras and reputations.

The world's only known button museum.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

The creator of the Kewpie doll's former home has been turned into a museum celebrating her life and work.

This curious headstone is labeled simply as "The Queen."

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

An adorably sweet display of sculpted Precious Moments figurines.

This 40-foot fowl marks the so-called "wild goose capital of the world."

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.