Medieval torture techniques with a modern conscience.

Romans built the world's tallest artificial waterfall in 271 BC.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

The plague quarantine island home to the alleged "Vampire of Venice."

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

Pilgrimage site for star-crossed lovers.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Go inside to really appreciate this 500-year-old technological masterpiece.

Five candy-colored villages on the Italian Riviera.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

An Italian hillside ghost town.

The final resting place of the poets Shelley and Keats.

The glowing blue Nymphaeum of Emperor Tiberius.

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Renaissance villa and gardens complete with a tormented colossus.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Architectureal fantasy quarter of Rome.

A 16th-century horror show built in a lovely Italian garden.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.