The Dasht-e Lut (Lut Desert) in Iran is widely considered the hottest desert, holding the record for the highest land surface temperature ever measured (70.7°C/159.3°F by NASA). While the larger Sahara Desert is the world's largest hot desert and experiences extreme heat, the Lut Desert's surface gets hotter due to its dark, volcanic rocks, salt flats, and lack of moisture, making it the hottest spot on Earth.
Which is the hottest desert of the world?
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