A hospital where antique dolls are given new life.

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

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

This giant middle finger statue sends an unambiguous message to Italy's bankers.

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

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

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

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

Five candy-colored villages on the Italian Riviera.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

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

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

Pilgrimage site for star-crossed lovers.

Jesus' footprints and the first catacombs in the world.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

A fairy tale castle in modern Rome.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Go inside to really appreciate this 500-year-old technological masterpiece.

Giant, pink stuffed rabbit on an Italian mountain.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

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

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

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