A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This massive library holds what was once the largest book collection in the world.

A museum of carnival attractions where you are invited to ride the rides.

The oldest stone house in Paris was built by its most famous alchemist.

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

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Abandoned railway line circling the city of Paris.

After 11 years of reconstruction work, Slovakia's finest hilltop chapel complex is finally reopen to the public.

Walk through Czech history in Prague's largest graveyard.

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

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

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

In a small churchyard in Dingolfing, Germany the quaint Schusterkapelle is there to remind you of your imminent mortality.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

These 18th century gardens tell a rocky story of the son of Odysseus.

This German bone house contains the remains of some 20,000 souls.

"The most colorful grottoes of the world.

An eerie, derelict amusement park in Berlin.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Ruins of a German Castle on top of a towering stone pillar.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The fairy tale castle of the "fairy-tale king."