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

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

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

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

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

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

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

The oldest operating pharmacy in the world features 800-year-old recipes.

Thousands of well-dressed mummies below a monastery.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.