The last fully functional fortress of Germany's World War II Atlantikwall.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

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

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

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

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

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

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.

Norway has built what may be the world's most beautiful public toilet.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Home to three historic ships from the age of Vikings.

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

Mosaics created from 11 million cigar bands.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

Colorful and chaotic stacked hotel in North Holland.

The world's only museum devoted to the wonders of fluorescence.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

Devilish masks, handicrafts, and pieces of old buildings create a snapshot of life in a historic Alpine region.

German and American troops joined forces to defend this fortress during the strangest battle of World War II.

The world's largest historic armory was established by independent citizens to defend themselves from the wars of larger forces.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.