One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Started as a kitchen garden, now the second largest botanical garden in the world.

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

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

Located in an old church, this brewery produces a different kind of holy water.

Stockholm's narrowest alley is barely over two feet wide.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

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

Sweden's "good old days" painstakingly re-created in a model village.

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

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

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

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

An artist's mausoleum with a haunting echo.

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

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

Superb sweets await at the first Jewish bakery inducted into Berlin’s prestigious baker’s guild.

The best bagels in Berlin are tucked away in an independent bookstore.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

The final resting place of many of Germany's most famous communists.