A madman's personal garden filled with 1,000 sculpted heads.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

These delicate sand pyramids look like naturally occurring gothic spires.

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

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

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

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

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

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

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

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

This 16th-century monastery has been turned into a surrealist architecture compound.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

An Italian hillside ghost town.

Geothermal waterfalls in Tuscany.

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

The middle finger of modernity.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A 16th-century horror show built in a lovely Italian garden.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.