This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

The Cathedral of St. Ambrose has been hiding a special parishioner within its walls.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

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

This ancient market is often referred to as the oldest shopping mall in the world.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

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

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

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.

The oldest botanical garden in the world that technically isn't the oldest.

The naturally mummified body of a peasant girl saint.

Da Vinci's equestrian statue, 500 years in the making.

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