A submerged archeological park still holds the wonders of a Roman Sodom.

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

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

The relics of dozens of martyrs are stored in a single chapel.

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

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

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

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.

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

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

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.