The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

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

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

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

A mocking tribute to the past and modern leadership of Prague.

This doorless 20th-century elevator doesn't stop or slow down.

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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

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 spiral staircase twists to the top of this unusual Czech lookout tower.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

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

Bohemian paradise covered in majestic forests.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Enormous sandstone towers loom within a Czech forest.

Every part of this unusual home is built into the sandstone rock.

Massive installation of Europe's negative stereotypes.

An enormous and lavish Gothic church in Czechia.

Unique house covered in a nightmarish mural of demons, ghosts and monsters.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.