Most complete collection of Gymnosperms in the world.

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

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

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

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

Ancient snack bar of the Roman Empire re-opened.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

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

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

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

These bronze horses on the gates of the Royal Palace of Naples were a gift from a Russian tsar.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

An elegant church is home to a remarkably detailed mosaic floor depicting the Garden of Eden.

The only visible remains of this ancient Greek underground temple is its roof protruding from the earth.

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.

The sunlight passing through the opening of this huge cave system creates a magical effect.

Southern Italy's spinning top village.

Geometry and mystery come together in an epic show of octagonal masonry.

A dead saint, a deadly poison, and a mysterious holy ooze.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.