Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Walk through Czech history in Prague's largest graveyard.

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

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

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

Macabre astrological automaton clock dating to the late 1400s.

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.

This hill is known for its connection to the occult in Slavic tradition.

One of the most valuable palace-garden complexes in the eastern borderlands—and one of the most haunted.

The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.

A Kyiv-based repository for all manners of discarded curiosities.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

The ruins of an abandoned church loom within a picturesque Ukranian village.

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

340-foot statue built to honour the Heroes of the Soviet Union.

A subterranean Holocaust refuge within one of the world's longest cave systems.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The largest catacomb system in the world.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This once-derelict building is now one of the most beautiful bookstores in the world.

A hotel and restaurant serving as the mecca of kitsch.