The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

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

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

Ever hear of the Milazzo Cage?

Harlequin costumes, signed scripts, and armor-wearing puppets.

A rather vulgar example of the transition from Latin to the Italian vernacular.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

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

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

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

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

This delightful little museum is dedicated to only one thing: pasta.

A hospital where antique dolls are given new life.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

2300-year-old Roman road connecting the empire.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

A collection documenting Nazi occupation of Norway, including a painting believed to be made by Hitler.