One person's lost luggage is another person's treasure.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

His "Lionheart" is entombed separately from the rest of his body.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.