Secrets Unlocked

Stonehenge Mystery (1x21)

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A giant calendar? A cathedral to unknown gods? Or something more macabre? For centuries, archaeologists have argued over why and how Stonehenge was built. Now, a team of experts is attempting to reveal why this stunning and mysterious monument was created and why its remote location was chosen. Follow them as they comb a vast prehistoric settlement and perform forensic examinations in order to unlock the secrets of this 4,500-year-old prehistoric structure.