It's time for Unearthed 2018, where we talk about the historical things discovered or dug up in the past year. Part one includes a bunch of research into human migration patterns, mummies, mass graves, and human sacrifices, among other things.
In 1991, two hikers in the Alps found a mysterious body. The frozen mummy turned out to be a 5,300-year-old man -- a discovery that's given researchers an unprecedented peek into the Copper Age. Tune in to learn more about the Iceman.