This magical-looking island is notorious for the misfortunes suffered by its owners.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

An eerie, little-known Neapolitan museum filled with preserved human remains.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

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

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

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

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

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

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

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

A gorgeous medieval library where the books are kept in chains.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

Once known for its horse-powered knife sharpening, this 200-year-old shop offers an array of blades and hard-to-find culinary tools.