Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

An abandoned shopping gallery built during Fascist Italy tucked in the center of Palermo.

This skeletal, unfinished Gothic church once housed a miraculous masterpiece by Raphael.

Haunting graffiti left by prisoners of the Spanish Inquisition.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

Cave shrine on Monte Pellegrino.

Every inch of this chapel is covered in craftsmanship from across the world.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

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

An extraordinary collection of 18th century anatomical waxworks.

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

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

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

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Italian cave with exceptional acoustics and an unsavory history.

This museum is rotten with a century of wax medical deformities.

Secret refuge and museum of the Duke of Florence.

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

A Nesting Doll of Churches.