Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

This demon atop the Notre-Dame de Paris looks utterly bored.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

How did a lighthouse wind up in the middle of this landlocked German city?

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This painted Lego bridge is the product of over a century of locomotive history.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Luxembourg's first beer museum honors the Grand Duchy's contributions to the art and science of beer-production.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A former ironworks that was the first UNESCO industrial site.

St. Peter’s, in Western Germany, has stood as a masterpiece of Romanesque architecture since 1181.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

A famed artist's inspiring work of peace and tolerance.

Along the banks of the River Rhine lies a park that seems unassuming, but beneath the surface lies a long and fascinating history.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Tiny castle in the middle of the Rhine made you pay to pass.