The Vikings were the last barbarians. From the ice fields of the North to the Russian steppe, these fearsome Scandinavian warriors sailed the globe for three centuries spreading their net of trade and pillage. But where are their origins?

The Vikings were fighting machines, they invested in the best weapons money could buy and the finest armor, slashing their way into the history books. They plundered lands from central Asia to North America and defeated the armies of the greatest empires. What was their secret?