This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

A museum which takes visitors to the côté obscure of Paris.

A cluttered and astounding collection of antiquities and curiosities.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.