A centuries-old iron mine is now a paradise for explorers, divers, and spelunkers.

Ancient burial grounds of the wealthy.

The concrete skeletons of an abandoned Swedish town hide among the trees.

This restaurant gives a new meaning to farm-to-table cuisine.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

The giant club-wielding wildman stands proud as the symbol of Swedish Lapland.

Winter roadtrips are a little more exciting on this seasonal, slippery expansion of Sweden's national highway system.

This massive Trojan ursine was built to be a new tourist symbol for a small Swedish town.

This tiny Swedish troll protects the land and all who wander within it.

The world's first ice hotel is still one of the most elaborate and beautiful.

The world's largest underground iron ore mine.

The world's first and only escalator for lazy bicycles and their daunted riders.

Norway's oldest cathedral still in use.

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

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

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

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

Model Trains and Much More in Hamburg.

It's always summer at the beach inside this former airship hangar.

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

A fascinating insight into daily life in the Eastern Bloc.

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

Ruins of a German Castle on top of a towering stone pillar.

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