A team of scientists has finally located the impact crater from a "Doomsday" 1908 meteor strike that was one thousand times more powerful than the blast that leveled Hiroshima. You wouldn't think looking for something that size would be like trying to find a needle in a haystack, but it's gone undetected for nearly 100 years. Mainly because it was sneaky and hiding under a lake.

Crater From 1908 Russian Space Strike Found, Says Team [National Geographic]