This futuristic observatory at the top of the Pyrénées offers unrivaled views.

This lake-bound geographical marker sits at the point where three European countries intersect.

This fantastical icy castle is built anew every winter.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

"Singing sands" and the world's largest hourglass reside near Japan's Kotogahama beach.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

Ruins of a German Castle on top of a towering stone pillar.

Stunning wetlands ablaze with pink lotus flowers.

An Australian lake whose pink hue defies scientific explanation.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A fiery crater has been burning in the Karakum Desert since 1971.

Dramatic river bend surrounds a natural red-rocked pedestal.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A magical place that lets you play in and explore the world of Studio Ghibli.

An exquisite tunnel of cascading flowers.

These enlarged egg sculptures represent the native birds of eastern Iceland.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

This black church sits alone among a field of lava rock.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This fantastical waterfall is hidden in a cave located in a cracked cliff.