17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Protecting the dead from opportunistic body snatchers.

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

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

A memorial for public executions that dates back to the 14th century.

This South London cemetery holds the remains of more than 15,000 people.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

Statue of death tucked in the University of Medicine courtyard.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

How did a French journalist’s grave become the sexiest statue in the cemetery?