This eerily opulent residential museum is home to a haunting local legend.

A Jenga-style cylindrical tower of books that appears to go on forever.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The hidden lair of an alchemist rediscovered in a 2002 flood.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

Seattle's own bad art museum located inside Cafe Racer.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

Definitely not a clown bar.