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

Inaugurated in 1921, this is one of many statues in France dedicated to the people who died during World War I for their country.

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

A recreation of a sign that Charles Dickens used to see on his walk home.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

An ode to the classic piece of British street furniture.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

Parts of this former military training ground may have inspired parts of J.R.R. Tolkien's famous fantasy series.

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

These unique markers designate the route American forces took during the Liberation of France.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

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

This grubby wall is said to be one of the Earth's esoteric energy centers.

Inside this Krakow church, an explosion of psychedelic color.

Down this Cracovian street resides a plaque with a stark message about the city's air pollution.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This man-made mound monument was built out of soil from all across the Polish empire.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

One of the world's smallest prisons boasts just two small cells.