3 Russia contains 20% of non frozen fresh water on the planet
75% of fresh water on earth is stored in glaciers. Moreover 20% of non frozen fresh water on the planet is stored in Lake Baikal in Russia. If all of the 15 million sq km of glaciers covering the planet melts, sea levels will rise by 70 meters. Lake Baikal alone spreads over 31,722 sq meters and resembles a sea rather than a lake.
4 Reelfoot Lake in Tennessee USA was created by three earthquakes
Among mysterious geographical facts in 1811 and 1812 three earthquakes shook New Madrid violently. The third one struck with a magnitude of 7.5 on the Richter scale which then formed a basin that resulted in the creation of Lake Reelfoot in Tiptonville, Tenessee. The impact of the earthquakes also caused the Mississippi river to flow backwards although scientists verified that it was an illusion caused by northwest moving water waves.