This Roman underground canal was the longest tunnel ever built until the late 19th-century.

This enormous sinkhole hides a secret world created from divine wrath.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

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

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

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

Architectureal fantasy quarter of Rome.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

A forgotten "city of water" underneath the famous Trevi district.

This museum is rotten with a century of wax medical deformities.

One of the most important yet well-hidden museums dedicated to the history of medicine.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Giant, pink stuffed rabbit on an Italian mountain.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

The largest and most famous wax anatomical collection anywhere in the world.

Five candy-colored villages on the Italian Riviera.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

The glowing blue Nymphaeum of Emperor Tiberius.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Geothermal waterfalls in Tuscany.

Stalactites and stalagmites in a beautifully lit cave.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.