Mysteries of the Eye of the Sahara: Unexplained Enigma of a Creepy Natural Phenomenon Gazing Into Space

The markings are created by sedimentary rocks that are exposed, with some dating back to the Late Proterozoic era, over 500 million years ago.

Google Maps: Called the Richat Structure, it’s origins are still debated

Yet how it was created has left scientists baffled.

Geologists have investigated the original theory that it was created from an asteroid crashing into it, causing an impact on the ground.

Despite investigations and research, no evidence of any shock impact or melted rock that would have resulted from this support the hypothesis.

The current theory of the markings is that the uplifted rocks have actually been sculpted by wind and water erosion to cause the pattern.

Google Maps: The land markings are visible only from space

What still causes confusion is how nearly circular the rings are as well as how far apart they are from the centre.

Others believe it is actually the remains of the mystical city of Atlantic, thanks to the ring patterns.

It isn’t the only terrifying sight on earth that has caused confusion.

Dubbed ‘Door to Hell’, a spot in Turkmenistan has been burning for over 40 years.