The "Eye of the Sahara" is a strange structure you can only see from space. Scientists now think they know how it formed, but they are still mystified by the mysterious crater. Follow TI ...

Spanning 25 miles, it is so large that it can be seen from space. It is known as the Richat Structure, or the Eye of the Sahara, and is one of Africa's most unusual natural formations. The ...

The "Eye of the Sahara" — also known as the "Eye of Africa" or the Richat structure — is a giant rock dome, carved with concentric rings, that looks like a giant bullseye when seen from above.

For millennia, the Eye of the Sahara was hiding in plain sight. That's because this huge and mysterious geologic formation is hard to spot from ground level, walking around on Earth. It turns out ...