One of the few places of its kind, this space research center sits deep in the countryside of Matera.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

The construction of a new church near Venosa was started in the 11th century, but never finished.

This winding road through an Italian canyon may be the most scenic drive in the world.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

The oldest church in Mantua was buried for centuries under the facades of other structures.

This Italian foot path winds through the mountains via 52 individual tunnels.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

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

One of the oldest libraries in the world is still operating and contains the oldest existing document in the Italian language.

Pilgrimage site for star-crossed lovers.

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

One of the largest squares in Europe contains an entire artificial island.

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

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

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

Once an ancient Roman bath, now a hotbed of geothermal energy and a hub for energetic innovations.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

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

The marshy karst plain has reclaimed this beautiful 17th-century church.