The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Europe’s oldest natural human mummy.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

A burial vault located under Tiber Island in the middle of the Italian capital.

Medieval torture techniques with a modern conscience.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

This museum is rotten with a century of wax medical deformities.

Ruins of a 10th century church tucked away deep in a botanical garden.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

One of the most important yet well-hidden museums dedicated to the history of medicine.

A forgotten "city of water" underneath the famous Trevi district.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

An alchemist's "magic door" stands in the middle of a Roman park.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This museum houses an imposing skeleton army comprised of creatures great and small.

Delightful disarray of found objects and clutter.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

Definitely not a clown bar.