It's 79 AD and Mount Vesuvius is about to blow. In 24 hours time, the people of Pompeii and Herculaneum are going to die. They will be part of the death toll of one of the worst natural disasters in history. Starting with a forensic examination of their remains, Bettany Hughes pieces together the final 24 hours of their lives in incredible detail.

From a 2,400-year-old corpse in remarkable condition to how shrunken heads are made, these 15 ancient secrets will have you completely riveted. The Vesuvius eruption may have been a gradual process. It took a storm to lift the cover on this ancient Roman city. The people of Pompeii often resorted to vigilante justice. How the wealthy of Pompeii protected their valuables? Was this pre-Viking gathering a prelude to a massacre? The valuable commodity behind King Solomon's wealth. This valuable Viking grave is missing something important. Is this where humanity decided to settle down? This mysterious stone structure is older than Stonehenge. This 2,400 year old corpse is in remarkable condition. Here's exactly how shrunken heads are made. DNA analysis reveals troubling news about shrunken heads. This mass grave discovery could alter Roman history. Gladiator teeth reveal signs of infant malnourishment. Evidence suggests Stonehenge was an elite cemetery.