An unstoppable force for more than 300 years saw the relentless and far-reaching growth of the Viking Empire. Throughout history, Vikings waged war from the seas, notoriously ruthless and with their own set of rules.

Actress Megan Fox has peeked behind the curtain of some of these ancient sites, igniting an insatiable curiosity to learn more about these lost worlds. She embarks on an epic international journey to investigate and find answers to these enduring mysteries.