Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This small red school was where Germany signed their surrender during WWII.

Site of one of World War I's most horrific scenes.

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.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

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

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The famous winding walk at Chartres is surrounded in mystery and myth.

An icy lake tucked among jaw-dropping alpine panoramas.

Historic medieval fortified city in southwest France.

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

Silent memorial, using bone conduction to take people back to the Dresden Bombing of 1945.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

This natural hill rose another 130 feet from the debris and rubble added after World War II.

Power line with pylons on huge concrete bases to prevent terrorist attacks.

The telescope that discovered Neptune.

It has an American Dream Car exhibit, Europe's largest Formula One collection, and many, many mannequins.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.