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

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

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Stalactites and stalagmites in a beautifully lit cave.

A spectacular cave and a beguiling lake.

Public access to clean drinking water was an instant hit among the masses.

An exquisite tunnel of cascading flowers.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

A beautiful maze marks where three countries meet.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

An intricate and amazing house built by architect Karl Junker.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.