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)

CGI image of an arrow penetrating a skull through the cheek

A bizarrely disfigured corpse in an ancient tomb full of sacrificial victims - Secrets In The Ice

Human skull with an arrow tip stuck in it

Archaeologists unearth a skull with this embedded in it! - Curse of the Ancients

Testing metal with a handheld machine

Strange metal found buried in geological Mesa! - Curse of Skinwalker Ranch

President Jimmy Carter speaking at lecturn

How humans have used brain entertainment to find Russian spies and contact aliens - Ancient Aliens

Travis Taylor turns his back on some orange smoke emitting from rocks

Smoke experiment triggers unbelievable results! - Curse of Skinwalker Ranch

William Shatner joins the Ancient Aliens cast

Was Enoch abducted by aliens? William Shatner digs further into the theory - Ancient Aliens