Question: Poor Niagara! These were the words uttered by Eleanor Roosevelt, the First Lady and wife of the US President Franklin Roosevelt (Photo, on Right) upon seeing a waterfall situated at Brazil-Argentina border in South America. The reacti
Question: The Grand Canyon, situated in the Arizona State of the USA is considered as the most spectacular natural wonder of the world. The flowing of which river through it has carved this 446 kilometres long, 1.6 kilometres deep and maximum 29 kilo
Question: In January 1981, three British geologists went on an expedition in an unexplored cave situated on the Borneo islands in the Sarawak region of Malaysia. They had to walk through the cave continuously for 12 hours before they came to its end.