The Eye of the Sahara, also known as the Richat structure, stands out like an oversized ammonite among the sand dunes of the Sahara desert in Mauritania. When you purchase through links on our ...

1979 - Mauritania gives up its claims to Western Sahara. 1981 - Mauritania becomes the last country in the world to outlaw slavery. 1989-91 - Mauritania-Senegal Border War.

The next time you're flying over Mauritania — or passing above Africa aboard the International Space Station — have a glance out the window and see if you can spot the Richat Structure.