This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

This magical-looking island is notorious for the misfortunes suffered by its owners.

The location of the last witch trials of Italy, known as "The Salem of Europe."

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

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

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

Crushed coral and crystals give the sand its signature coloration.

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

Five candy-colored villages on the Italian Riviera.

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

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

2300-year-old Roman road connecting the empire.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The oldest operating pharmacy in the world features 800-year-old recipes.

An alchemist's "magic door" stands in the middle of a Roman park.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Although called a funicular by both its owner and the locals this historic railroad is actually a rack and pinion system.

This historic tower in the California desert promises visitors a "vortex of good vibes".

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

Check out a hidden collection of vintage neon signs.