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

The patron saint of spinsters grasps a container of dried blood.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

World's first "penitentiary," meant to be humane, drove men insane.

A former French military respite turned jungle tourism hotspot.

Siberian ghost town built by gulag prisoners.

Artfully arranged bones of 5,800 Austrians.

The personal charnel house of Anton Bruckner.

Arlington Cemetery exhibit dedicated to death and grieving.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Macbeth's infamous "Great Birnam Wood."

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

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

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

The resting place of 18th century German mummies.