investigates new evidence that reveals the myths and mysteries behind ancient civilisations and the iconic megastructures they built. How were the Pyramids constructed and what lies hidden inside their secret chambers? How does the Parthenon stand tall against earthquakes? What sacred secret lies beneath the Mayan temples of Chichen Itza? Using groundbreaking technology this series takes a closer look inside these ancient wonders to reveal hidden chambers and vaults, and pulls them apart - stone by stone - to expose their construction secrets.