These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

Giant marble phalluses on the sacred island of antiquity.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

This ancient statue of Dionysus lies unfinished and abandoned in one of Greece's oldest quarries.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

This abandoned Greek island was the last active leper colony in Europe.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Five candy-colored villages on the Italian Riviera.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

This winding road through an Italian canyon may be the most scenic drive in the world.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

The world's largest reflecting pool is just two centimeters deep.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

Ancient snack bar of the Roman Empire re-opened.

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

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.