Legend has this precariously placed rock was placed by giants. Science has another explanation.

This fantastical icy castle is built anew every winter.

Two massive boulders, rocking back and forth with the ebbing of the sea.

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

The abandoned village of Skarð aptly illustrates the idiom "Don't put all your eggs in one basket."

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

Mysterious craters may have been home to an ancient cult.

A failed attempt to control drifting sands yielded a gnarled sylvan wonderland.

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

A spiral staircase twists to the top of this unusual Czech lookout tower.

Bohemian paradise covered in majestic forests.

Two monstrous faces loom over a village in Czechia.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Countless grotesque faces stare out from this eerie Prague art wall.

A musical instrument played by the sea.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.