A dilapidated space station with overtones of 'Alien' and 'Bladerunner' featuring a multiplayer games galore.

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

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

An eerie, derelict amusement park in Berlin.

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

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

It's always game time at Stockholm's only museum devoted solely to video games.

Not far from the busy city lie these remains of a time when the world was on fire.

A former suicide bridge is now accumulating symbols of love instead of a body count.

The suspected burial mound of legendary Viking Björn Ironside.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

The library's graceful rotunda is like a bibliophile's temple.

"Only the dead get off at Kymlinge."

A Japanese video game arcade hides in the back of a Swedish pool hall.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

This Stockholm light tower can be controlled by anyone with a smartphone.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

It houses the remains of a 17th-century version of the Titanic.