Vesuvius Italy

When Mt. Vesuvius blew in A.D. 79, it left the entire city of Pompeii frozen in time, buried under a shroud of ash and pumice that rained down for nearly an entire day as the volcano raged. The 25,000 or so people that it buried were preserved for archaeologists to one day study and the volcano itself has now also been extensively studied. Its erupted over a dozen times since the burial of Pompeii, most recently in 1944. Since the area surrounding it in Italy is now pretty densely populated, lets hope it doesnt do that again any time soon.