The seamy, underground secrets of Portland's criminal past.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Tubing through a cave lit with glowworms is a magical underground experience.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

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

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.