The longest navigable underground river in the United States is home to countless blind and albino animals.

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A European-style bath house in Chicago.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This shop for all your super spy needs hides an educational secret.

A Museum of Holography frozen in 1974.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

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

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

There aren't too many operational funiculars around, but Pittsburgh has two!

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This little museum in the town where zombies were born celebrates the living dead.

A medical facility that has been kept frozen in time.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A rural hall of justice holds the world's only comic book and superhero museum.

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

The angel of death appears to weep black tears at this grave marker.