1) The world's largest desert is the Antarctic Desert, covering around 5.5 million square miles.

2) The shortest war in history lasted only 38 to 45 minutes between Britain and Zanzibar in 1896.

3) The Earth's core is primarily composed of iron and nickel and is as hot as the surface of the sun.

4) Mount Everest, located in the Himalayas, is the highest peak on Earth, with an elevation of 8,848 meters (29,029 feet). It is a popular destination for mountaineers and represents a significant challenge due to its extreme altitude and harsh weather conditions.