A medieval, mosaic-lined baptistry built by a heretical Christian sect.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

The forbidden island of the Tuscan Archipelago may still contain buried treasure.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Explore the quarry where the marble was sourced for Michaelangelo's David.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

The walls and streets of the ancient city are peppered with penises.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

Secret refuge and museum of the Duke of Florence.