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.

Macabre astrological automaton clock dating to the late 1400s.

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

This grubby wall is said to be one of the Earth's esoteric energy centers.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Real bones which are said to have belonged to a Polish dragon.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

Pompeii's less famous neighbor is still revealing her secrets.

The first island in the world designated a light-pollution-free astronomical observation point.

The longest hedge maze in the world.

Thousands of locks professing undying devotion line the metal chains of Lotus Peak.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

London's old-school healing garden.

A whimsical bridge adorned with decorative dragons.

A petite castle folly in the English countryside.

A modern English garden of eccentric beasts, follies, and oddities.

This floating cinema brings new meaning to the phrase "going out" to the movies.

These spooky and unusual stone formations create an underworldly landscape.

A world-class observatory in the California desert.