This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

Stockholm's narrowest alley is barely over two feet wide.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

It houses the remains of a 17th-century version of the Titanic.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

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

Though the name might suggest otherwise, this is an American cemetery.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

Diego Rivera's massive tiled fountain and failed infrastructure project.

A church dedicated to the Mexican skeleton saint.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

This house covered in art created with volcanic rocks is shrouded in macabre lore.