In 79 AD, the people of Herculaneum, a seaside town in Italy's Bay of Naples, watched in horror as Mt. Vesuvius erupted, hurling a boiling, churning column of gas and ash 10 miles into the sky toward the neighboring city of Pompeii. It was only a matter of time before Vesuvius would unleash its fury on Herculaneum, killing its citizens in an even more spectacular and gruesome way.