Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

One of the world's heaviest musical instruments towers within a popular urban park.

A historic fire call point.

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

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

The only surviving piece of Copenhagen's 16th-century defensive wall.

This bronze marker acknowledges an embarrassing royal blunder.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

The marker that allows students all over the world to be late for class.

These ancient rune stones plucked from the countryside now call this university park home.

A modern, secular take on a traditional Virgin Mary motif.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

Four whimsical figures make for an unexpected sight along an urban commuter route.

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

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

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

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

One of the oldest seagoing boats in the world can be found at the Dover Museum.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

A jumble of concrete on the corner of one of London’s terraced buildings is actually a work of art.

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

This striking statue brings a scene from the African savannah into central London.