This unusually shaped fortress houses a blend of centuries-old frescoes and modern art.

This crescent-shaped beach is said to glow under the light of a full moon.

These artificial caves crafted by ancient Romans were elaborate fish farms for moray eels.

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

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

The Bourbon royal family had this unique octagonal hunting "cottage" built on a tiny islet in Lake Fusaro.

A small island in Lake Garda that was used as a burial site, pirate hideout, and a monastery.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

Take a giant yellow bird cage to the top of Elba's highest mountain.

This tiny islet has somehow housed an ancient temple, two monasteries, a church, a fortress, and a restaurant.

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Windblown rock formations in an ancient Roman quarry.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

An unusual house built using an iso-elastic membrane.

Invented in the mid-19th century, this machine could send copied images via telegraph lines.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

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

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.