A storm shelter built for survivors of shipwrecks.

Along this stretch of beach in Denmark resides several massive bastions of energy.

At these downtown crossings, pedestrian lights show axe-wielding Vikings instead of the usual walking figures.

Remnants of the Nazis' occupation of Denmark linger along the sand.

Established hundreds of years ago, Gandan remains the premier Buddhist monastery in Ulaanbaatar.

A beloved tribute to the Fab Four and the freedoms they inspired.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This recreated Roman outpost stands above its buried predecessor.

Germany's longest suspension rope bridge.

Found in the waddenzee, this propeller has been put on public display as a reminder of the Second World War.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

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

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

Berlin's old airport.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

It's said the devil used this mushroom rock as a table for a late-night meal.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This bike path was sunk below water level for maximum wonder.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

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

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

The cutest way to stay safe in traffic.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.