A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

Site of one of World War I's most horrific scenes.

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

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

A house of bones — but nobody is quite sure to whom they belong.

Mexico's astounding mummy museum with "the world's smallest mummy."

A church filled with the bones of hundreds of virgins martyrs—or so they say.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

An ancient ossuary in Rouen.

Artfully arranged bones of 5,800 Austrians.

Mysterious painted skulls in Moravia.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

This small chapel is built of human bones and decorated with a golden skeleton.

This Italian church is as beautiful as it is common, except for the real skulls decorating the many mannequins inside.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

The personal charnel house of Anton Bruckner.

The resting place of 18th century German mummies.

Hungarian mummies in beautiful painted coffins.