At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

A statue honors the children who fought Nazis in Poland.

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

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

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

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

Walk behind a 50-meter-high waterfall.

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

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

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

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

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

The world's northernmost botanic garden has 25 collections of plants from arctic and alpine regions.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

A sulfuric martian landscape that looks far better than it smells.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.