The Eye of the Sahara is a geological marvel, but it also holds archaeological significance, according to Geographical, a magazine published by the U.K.'s Royal Geographical Society.

The Sahara Desert, a stretch of sand about the size of the United States, is an extremely forbidding land. With temperatures as high as 136 degrees Fahrenheit, it is one of the hottest places on ...

The Aorounga structure is surrounded by dark ridges, known as yardangs, that cover this part of the Sahara. (Image credit: ESA/NASA) A group of five barchan, or "horned," sand dunes can be seen in ...

When viewed from above, the Eye of the Sahara looks just like an enormous impact crater sitting in the middle of the Sahara Desert of Mauritania. Stretching 50 kilometers (30 miles) in diameter ...