The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Stalinist skyscraper built with help of cryotechnology.

World's largest bell sits on the grounds of the Kremlin in Moscow.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

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

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

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."

A stunning architectural yet functional feat, towering over Oslo.

A statue of the heroic plumber stands outside a company that bluffed its way into being Nintendo's Scandinavian distributor.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This towering statue of Jesus provided internet to the surrounding area.

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

The lost American era of gunfighters, bandits, Indians and steam trains is recreated in Sweden.

A Very Low Frequency transmitter you can tune in on your PC.

Hundreds of mossy stones engraved with bits of philosophy, literature and random musings.

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

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

A spiralling hourglass-shaped tower rises from the forests in Denmark.

A natural wonder in south Denmark.