An intricate and amazing house built by architect Karl Junker.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

The mass grave of the 27 victims of the "Vampire of Hanover."

A Gothic cathedral created from volcanic rocks.

Whether hero or rogue, his silver bullet is said to have taken down the murderous "Beast of Gevaudan."

Historic medieval fortified city in southwest France.

Green labyrinth formed by a karstic maze hidden in a preserved oak forest.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

The final resting place for the remains of 143 Habsburg royalty.

Artfully arranged bones of 5,800 Austrians.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

A haunting deserted hotel is a favorite with artists and photographers.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

The ruins of an abandoned crematorium haunt an eerie deserted German cemetery.

A mythical garden that once grew the golden apples of wisdom is said to have existed in this ancient Moroccan city.

The corpse bride of Portugal.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

This huge abandoned fortress hidden inside a mountain holds a world of subterranean secrets.

A site outside Pedraza, Spain where a plaque tells a tale of seven-legged creatures that were said to have once lived in the area—in the fictional world of Kcymaerxthaere.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.