A walk through the historic city center, under the streets of Seattle.

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

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

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

World's strongest whirlpool.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

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

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

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

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

Home to three historic ships from the age of Vikings.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The former home of Norway's greatest romantic composer.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

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

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.

The fairy tale castle of the "fairy-tale king."

The show's fictional Korean medical camp was created in the Santa Monica hills.