This place bears witness to the loss of many lives during WWII, and stands in stark contrast to the American Cemetery.

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

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

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

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

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

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

Marie Antoinette and Napoleon Bonaparte were fans of this 200-year-old French chocolatier.

The celebrated eyesore created by starry-eyed sweethearts.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

This bridge was constructed from the rubble of the infamous Bastille.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

Hear the quietest sound from across the dome.

A memorial for public executions that dates back to the 14th century.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The ritual has been performed uninterrupted for nearly 700 years.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.