One of Ireland's most infamous prisons for rebels including men, women and children.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Puppet theater and museum holding a collection of more than 300.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A wunderkammer of mysterious objects and stories.

Art and a pun, all in one.

This classic restaurant features a gorgeous mirror-clad room.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

An eerie, derelict amusement park in Berlin.

Amsterdam's Red Light District leaves little to the imagination.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

The history and future of cannabis.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Cat art as far as the eye can see.

Museum preserving torture methods from the past.

The first museum in the world devoted to sexual gadgetry.

Countless grotesque faces stare out from this eerie Prague art wall.

Walk through Czech history in Prague's largest graveyard.

Two stunning 17th-century libraries and a cabinet of curiosities.

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