If you want to visit the largest desert in the world, it will bring you to Africa, as you can see on this world map. Come up north, and you will see the massive Sahara Desert. It covers more than 9 million square km, stretching from the Red Sea in the West and the Mediterranean in the North to the Atlantic Ocean in the West, including 10 countries, Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, and Tunisia. However, under the sterile sand are many secrets, which scientists are still discovering as their tools get better, and some of them are terrifying and change everything, as we will show you in this video! So stay tuned…