This airport currywurst stand is made out of retro airplane parts.

An industrial relic is now one of Europe's most staggering art spaces.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

This former steel and coal plant is now a neon-lit industrial fantasia.

No need to strap in for a “ride” on this walkable roller coaster.

Twisted buildings adorn the banks of the Rhine river.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

Life-sized bronze statues of fictional puppet characters.

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.

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

A famous big wave from Japan serves as a tribute to the victims of the disastrous Elbe flood.

A moving and macabre World War I-era painting by the great artist Otto Dix.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

When the rain falls, this drain system turns into a musical instrument.

Reminders of the Battle of Berlin still scar the railway.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A collection of abandoned typographic signs from Berlin and beyond.

A massive relic of the communist era of Berlin.

In the summer of 1957, a massive architectural exhibition showed off the future of urban living in this German neighborhood.

A plaque on the side of a building is a small tribute to the woman who invented an iconic Berlin fast food.

You've probably seen these distinctive orange-tiled columns on the big screen.