The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A shrine built to combat the bad karma of a commercial venture.

This statue of an eagle taking flight welcomes visitors to Langkawi.

This dangerous-looking suspension bridge may have been too unstable to remain open.

This historic tall ship traveled 1.5 million miles around the globe, and once did duty as the mythical pirate ship in Peter Pan.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

Jesus' footprints and the first catacombs in the world.

A gorgeous medieval library where the books are kept in chains.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

The secret medieval communication system will whisk your words above the noise of the crowd.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Italian cave with exceptional acoustics and an unsavory history.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Pilgrimage site for star-crossed lovers.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Five candy-colored villages on the Italian Riviera.

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

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

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.