Database: Monte Vesuvio

Arguably one of the most fabled volcanoes in history, Vesuvio destroyed both and  when it  in 79 C.E., both of which were never rebuilt. Since that catastrophe, the sleeping monster has erupted three dozen times. It's still considered one of the most dangerous volcanoes in the world, as over 3 million people live within range of a major eruption. I hear property is cheap right now, maybe we should invest.