This medieval castle was reconstructed by Carlo Scarpa.

These elaborate gothic monuments honor Verona's medieval lords.

A limestone grotto where daylight filters in from below and turns the water a beautiful turquoise. Also home to a small underwater nativity scene.

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

According to the legend, this structure was built in a single night with the help of the devil.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

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

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

This medieval city gate is now a blend of the past and the modern world.

The Emperor Tiberius' palace of debauchery.

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

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

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

This clifftop arch is a natural stunner.

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

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

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

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

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

A brutalist gem towering over the heart of Milan.

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