Secret refuge and museum of the Duke of Florence.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

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

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.

Natural cathedral designed by Italian artist Giuliano Mauri.

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

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

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

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

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

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

Abandoned medieval hill town.

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

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

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

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

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

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

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

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.

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

A hospital where antique dolls are given new life.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.