This hermitage celebrates the legend of Emperor Constantine's healing from leprosy.

The hilltop ruins of a border fortification in the Italian Alps that was much fought over.

This site marks the oldest known settlement in Campania, inhabited around 9,000 years ago.

This tiny chapel atop a sea stack is dedicated to the patron saint of Ponza, Saint Silverius.

This megalithic tomb was crafted by a mysterious civilization that settled the island of Pantelleria.

One of Rome's most picturesque and original bridges was also a popular choice for Grand Tour artists.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

This iconic rock hermitage was once the abode of a future pope.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

In Majella National Park, these stone dwellings harken back to the region's pastoral history.

A medieval castle was used for centuries as a hemp farm.

The ruins of this temple were later chosen by Pope Celestine V to found an abbey and a hermitage.

Numerous stone coffins from different centuries, lined up in a sixth century basilica.

According to a local legend, this bridge was constructed by an astrologer with the help of the devil.

This lake was sacred to the Sabine people who constructed a temple here on a floating island.

This stretch of the ancient Roman road is preserved in a valley that witnessed many battles and legendary highwaymen.

This former papal residence was the site of an infamous incident known as the “slap of Anagni.”

The collar worn by a fourth-century saint resides in this church, and is still used for blessings to this day.

A perfectly preserved example of a fortified Medieval ricetto.

A strange-looking 18th-century tower sits on a tiny islet just off Livorno.

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

A fairy-tale-like forest that was sacred to Jupiter and Saint Anthony.

In this medieval church, a centuries-old stuffed crocodile hangs from the ceiling.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."