A salt desert is a type of arid landscape characterized by vast areas covered in salt flats or salt crusts. These regions typically form in areas with high evaporation rates, where water bodies, like lakes, evaporate, leaving behind salt deposits. The climate is usually dry, with little rainfall, and temperatures can vary significantly between day and night. One of the most famous examples of a salt desert is the Salar de Uyuni in Bolivia, which is the largest salt flat in the world. Salt deserts can also support unique ecosystems, with some plants and animals adapted to survive in these harsh conditions.