A former squatter's paradise outside Prague.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

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

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

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

A nuclear reactor created for Eisenhower's "Atoms for Peace" campaign is now used for research at a Dutch university.