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

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

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

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

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

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

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

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

Hundreds of skulls and bones at the largest skeleton museum in the country.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

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

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

The plague quarantine island home to the alleged "Vampire of Venice."

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.