The Namib Desert, located in Namibia – Southern Africa is considered the oldest desert in the world. It is considered to be between 55 and 80 million years old. Comparatively, the Sahara – which is between 2 and 3 million years old – is much younger.

The Sahara is considered the hottest place on earth. Average temperatures range between 40 and 47°C. The highest temperature ever recorded in the Sahara was 58°C in 1913. It is the highest atmospheric temperature ever recorded on earth.