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)

A little boy using a radio to call for help

Mystery surrounds seven-year-old's radio distress call - Phantom Signals

Sound waves

A low frequency hum that's driving everyone crazy - Phantom Signals

A mysterious sea creature

Mysterious sea creatures in the Bermuda Triangle - The Proof Is Out There: The Bermuda Triangle

Over-exposed painting of God

The aliens wanted to cleanse the planet, but why? - Ancient Aliens

The Hope Diamond

Everyone who owns this diamond ends up dead - Cursed Treasures

Rendering of blue light emitting from the top of an obelisk

Are these alien power stations? - Ancient Aliens: The Ultimate Evidence