Deep in Mauritania sits the Richat Structure, a vast series of concentric rings whose appearance has inspired claims that the ...

In the vast, featureless sand of the Sahara in Mauritania, a nearly perfect circle stares up at the sky. It spans roughly 25 ...

Indie game developer and publisher Alawar revealed their latest game in the works, as Richat Structure has been announced for Steam. The game is based on a real-world location in Mauritania, you will ...

Atlas Obscura on Slate is a blog about the world's hidden wonders. Like us on Facebook, Tumblr, or follow us on Twitter @atlasobscura. The next time you're flying over Mauritania — or passing above ...

All the Latest Game Footage and Images from Richat Structure Strategic excavation simulator. Dig deep into the mysterious Earth’s bullseye, build underground bases and study anomalous finds. The ...

Add Yahoo as a preferred source to see more of our stories on Google. The Richat Structure spans around 31 miles (50 km) across, large enough to be a clear landmark for astronauts passing overhead. On ...

A giant, geological wonder in the Sahara Desert of Mauritania is pictured in this satellite image. The 40 km-diameter circular Richat structure is one of the geological features that is easier to ...

At close to 50 kilometers in diameter, the Sahara Desert’s sprawling Richat Structure is one of the most mysterious geological features on Earth. Via NASA: Once thought to be an impact crater, the ...

The circular geologic feature is thought to be caused by an uplifted dome that has been eroded to expose the originally flat rock layers. (Image: instagram/@iss) The Richat Structure, also known as ...