The Kalahari Desert is a large semi-arid sandy savannah located in Botswana. It is the largest continuous stretch of sand in the world, covering an area of over 350, 000 square miles. The Kalahari is home to a variety of wildlife, including lions, cheetahs, giraffes, and antelopes. It is also home to the San people, who have lived in the region for thousands of years. The Kalahari is an important source of water for many animals and plants, and it is a popular tourist destination.