17 of the most alien-looking places on Earth

There are seven natural wonders in the world, and while each one — from the Grand Canyon to Mount Everest — is spectacular, we've been oversaturated with images of them.

But there are lesser known sites that are equally incredible. We've found the 17 most otherworldly landscapes on the planet — you won't believe they're real.

Socotra Island, off of Yemen, is home to the weird-looking Dragon's Blood Tree. In fact, a third of its plant life isn't found anywhere else on the planet.

Expansive fields of sulfuric ponds make the Danakil Depression in Ethiopia one of the most inhospitable places for human life on the planet.

The ominous Tianzi Mountains in China actually inspired Pandora's floating mountains in "Avatar."