This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

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

This medieval Italian town is a sheer (and beautiful) cliffside defense.

The secret medieval communication system will whisk your words above the noise of the crowd.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A huge enchanting public park just outside the ancient walls of Rome.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

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

Natural cathedral designed by Italian artist Giuliano Mauri.

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.

One of seven Jewish catacombs in Rome and one of only two open to the public.

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

This large, circular tomb is the final resting place of the first emperor of Rome.

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

Abandoned medieval hill town.

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

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Ruins of a 10th century church tucked away deep in a botanical garden.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

A hospital where antique dolls are given new life.