This small but lovely sinkhole lake is the last remnant of a great prehistoric water basin.

Just saying the name of this town out loud is said to bring bad luck.

The origins of a large, medieval castle are shrouded in mystery, but now it's a delightful garden.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

An unusual house built using an iso-elastic membrane.

An ethereal glowing blue ocean cave in Croatia.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The middle finger of modernity.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

According to the legend, this structure was built in a single night with the help of the devil.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

The glowing blue Nymphaeum of Emperor Tiberius.

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

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

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

A magnificent Neogothic tomb hides within this Italian fairytale-like forest.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

This medieval mountain town is also known as the "Village of Streams."

Just one of the Italian corridors vying for the title of the country's narrowest.