Norway's oldest cathedral still in use.

This floating sculpture of ice is a poignant reminder of nature's power.

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

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

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

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.

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

The world's northernmost aquarium looks like it has fallen over.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

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

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

The final resting place of the father of modern biological taxonomy.

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

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

These ramparts, once lined with towers, were constructed in defense of Beaune.

The birthplace of the builder of the Statue of Liberty is now a museum dedicated to his work.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.