The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

David Sedaris called it "The greatest shop in the world."

The location of the last witch trials of Italy, known as "The Salem of Europe."

This centuries-old Italian chapel hangs midway down a sheer cliffside.

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

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

A collection of objects supposedly singed by the hands of souls in purgatory.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

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

Architectural monsters are devouring this palace's every door and window.

This 16th-century monastery has been turned into a surrealist architecture compound.

The final resting place of the poets Shelley and Keats.

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

Venice's "Island of the Mad."

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The middle finger of modernity.

Thousands of well-dressed mummies below a monastery.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A 16th-century horror show built in a lovely Italian garden.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A chapel on a volcanic core, marking the end of a successful journey.

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