The name doubles as an appropriate adjective for this small ossuary.

This little-known relic crypt holds stolen parts of a Roman Empress.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

The encased skull that is widely believed to belong to St. John the Baptist.

Saintly bones pressed into a wax effigy of a Catholic superstar.

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

The resting place of 18th century German mummies.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

This secret cemetery where no flag is allowed to fly holds the bodies of American soldiers convicted of heinous crimes during WWII.

This small red school was where Germany signed their surrender during WWII.

A unique museum tells the story of the day-to-day life of World War I soldiers.

Statue of a decomposing prince that once held his heart in its hand.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

This 600-year-old home seems to defy physics.

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

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

A unrivaled and rather horrifying collection of wax dermatological models.

The largest medical and anatomical collection in France lies hidden from the public.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

A swath of France so devastated by war it is still forbidden to go there.

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

One of the most iconic neon ads of former East Germany.