Statue of death tucked in the University of Medicine courtyard.

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

The video game-themed street art first popped up in the French city.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

This 5,000-year-old tomb once had its own hinged door.

This single room has survived the centuries with almost no deterioration.

This ancient Irish landscape boasts hundreds of legendary ruins.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

This 700-year-old storehouse was a POW jail, aviation workshop, and Titanic memorial before becoming a brewpub.

The rusting relics of Southampton's former luxurious flying boat industry.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

The oldest inn in England served brew to the crusaders.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

A historic house left in "dramatic still life."

A historic arboretum and non-conformist, non-denominational park cemetery.

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

One of the world's largest collections of pathological specimens.

The plunge pool is a surviving relic of a rowdy royal residence.

The ancient tomb acts as a calendar that keeps perfect time.