There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

In 1927, a biplane disappeared while attempting to complete the first non-stop transatlantic flight between Paris and New York City. This memorial stands at the last place it was seen.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

The reconstruction of this prominent building fulfilled a long-written command.

Medicinal spa created with the discharge from a geothermal energy plant.

Walk in the footsteps of the gods and straddle two tectonic plates.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Legend says this rock spire is the finger of a witch who wanted to throw the Faroe Islands towards Iceland.

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

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

In Faroese legend, this sinister horse-shaped beast lures unsuspecting passersby only to drown them in the lake.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

Located more than 600 feet beneath the North Atlantic seabed, this tunnel boasts the world's first undersea roundabout.

World's strongest whirlpool.

The world's biggest version of the popular Swedish souvenir.

A botched 18th-century canal silenced one of Sweden's most magnificent waterfalls.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

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

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

Norway has built what may be the world's most beautiful public toilet.

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.