1. (Biggest) Antarctica – Size: 7 million km2 (15.4 million mi2)
No rain falls in the Atacama some years. In some sections, one 3.4mm (0.13in) shower is six times the average yearly rainfall.
3. (Hottest) Sahara – Temperature: 58°C (136°F)
Earth’s hottest temperature was recorded at Al Aziziyah, northern Libya. Air temperatures were hot enough to pasteurise an egg!