The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

One of the most controversial statues in Romania is an emperor with no clothes.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

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

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The mark of the Devil's horns on a marble column in Milan.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

Fortified medieval tower house with lovely roof garden.

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

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The mummified relic of St. Antoninus.

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

A hidden workshop for creating and restoring Papal mosaic masterpieces.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

These spartan apartments are provided to clergymen visiting Vatican City.

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

Breathtaking and huge 430 year old maps of Italy.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Ancient ruins hidden underneath a modern luxury hotel.