This lesser-known leaning tower is all that remains of the medieval castle of Vernazzano.

A massive bridge forms part of an aqueduct that was deemed an architectural wonder of its time.

Built to be the ideal penitentiary, this abandoned panopticon saw several revolts and even a prisoners' coup.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

An abandoned bell tower in the middle of nowhere is the last testimony of a forgotten medieval village.

These pools have been abandoned for over 20 years.

This scenic fortress dates back at least 2,400 years to the time of Magna Graecia.

A fascist-era rural village abandoned since the early 1980s.

Two planes stand abandoned after the closure of an aircraft-themed restaurant.

This amazingly preserved Doric temple was abandoned before it was ever completed.

This large, circular tomb is the final resting place of the first emperor of Rome.

This overgrown mountain village has been abandoned for nearly a century.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Europe’s oldest natural human mummy.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Giant, pink stuffed rabbit on an Italian mountain.

Abandoned medieval hill town.

Venice's "Island of the Mad."

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A perfect replica of the beloved show's first set.