Did Da Vinci hide clues in his art? - Digging For The Truth | Sky HISTORY TV Channel

Did Da Vinci hide clues in his art? - Digging For The Truth

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What (or perhaps who) is the holy grail? And could a descendant for Jesus and Mary be walking the streets today? (Season 2, Episode 4)

Rick Edwards wearing a hard hat in the ruins of a castle

The Gothic castle that squatters destroyed - Great British Castle Rescue

Rick Edwards standing in front of Gwrych Castle

This 800-year-old Scottish castle is about to Collapse - Great British Castle Rescue

Silhouette of two men in bowler hats

Real X-Files hidden in UK archives - Britain's X-Files

Jason Fox on Battle Treasures looking at someone off screen

SAS soldier survived a deadly escape out of Iraq - Battle Treasures with Foxy and Bruce

Alice Roberts reading an old book in a library

Is the Holy Grail hidden in this Scottish chapel? - Lost Grail with Alice Roberts

Professor Alice Roberts wearing a medieval helmet and holding a large sword

Could Alice survive in a medieval battle? - Lost Grail with Alice Roberts