A once-luxurious, now abandoned hotel in the Italian Alps.

Ancient snack bar of the Roman Empire re-opened.

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

The world's most active stratovolcano is almost always erupting.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

One of the largest caves in the world open to the public.

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

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

This picturesque Umbrian city has a subterranean side that has long remained hidden.

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

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Crushed coral and crystals give the sand its signature coloration.

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

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

A fairy tale castle in modern Rome.

An Italian hillside ghost town.

The glowing blue Nymphaeum of Emperor Tiberius.

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

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Stalactites and stalagmites in a beautifully lit cave.

A submerged archeological park still holds the wonders of a Roman Sodom.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

A signal indicates the entrance to this alley, rumored to be a meeting place for witches.