Berlin's old airport.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

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

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A stunning architectural yet functional feat, towering over Oslo.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

A former factory now pays tribute to a local industry fueled by sardines.

The grounds and buildings of an old wood pulp mill have been transformed into an innovative art park and museum.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

This floating sculpture of ice is a poignant reminder of nature's power.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

Oslo's historic toboggan run has been letting thrill seekers slide from train stop to train stop for over a century.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.