The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Five candy-colored villages on the Italian Riviera.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

How did a French journalist’s grave become the sexiest statue in the cemetery?

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

This modest marker near Notre Dame identifies the very center of Paris.

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.

France's most famous cemetery, with some of its most curious tombs.

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

One of the world's tallest statues is also one of its most hated.

Dozens of padlock-trees along the Moscow River.

World's largest bell sits on the grounds of the Kremlin in Moscow.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.