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

Elevated freight railway turned wildly successful urban park.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Home to items never before seen by the public.

This working class sculpture pounds his hammer all the livelong day.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

The highest point in Washington state is a volcano covered in glaciers.

A wall of chewing gum moonlights as collective art.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

This little sun pays homage to a massive gate that once stood at this location.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This Swiss cemetery is reserved for people who died in climbing accidents.

These massive moving sand dunes have swallowed an entire village and are still on the run.

The rusting hulk of a Soviet warship sits on a Polish beach.