Berlin's beloved bear is immortalized at the Museum für Naturkunde.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

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

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

Remains of a huge radio tower.

This curious sculpture represents the perseverance needed to take to the skies.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

This conical hill was built as a testing ground for an engineer known as the Glider King.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

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

This sprawling stone mosaic on Berlin’s Museum Island transforms archaeological finds and local legends into a walkable work of art.

This clock in a village famous for toys gives a countdown to Christmas.

According to local legend, this unassuming art gallery was once used to imprison witches.

The European Union’s tallest freestanding structure provides radio and television broadcasting to half of Latvia.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

One of the most iconic neon ads of former East Germany.

The oldest standing building in Las Vegas was established by Mormon settlers.

On this spot in 1989, nearly a thousand people broke through the Iron Curtain.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

A historical observatory still in use by modern astronomers.

This spectrum of a star was observed by one of the world's most accurate spectrographs. 

A helicopter memorial commemorating what was once the only way to access this West Berlin exclave.