Antarctica is the largest desert in the world.

Antarctica is considered the largest desert in the world due to its extremely cold and dry conditions. While deserts are commonly associated with hot and arid climates, the term actually refers to regions with little to no precipitation. Antarctica meets this criterion as it receives very little rainfall or snowfall, with average annual precipitation ranging from just a few millimeters to around 200 mm in coastal regions. Additionally, the continent is covered by a thick ice sheet, much like the sand dunes found in traditional deserts, further highlighting its desert-like characteristics.