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

4:35

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 CCTV camera

In this city, the government watches your every move - Mystery Places

Graphic showing a whirlpool and sinkhole in the ocean

Scientists uncover the submerged secrets of Red Snapper Sink - Bermuda Triangle: Into Cursed Waters

Dr Travis Taylor

Did a suspicious UFO come to check out the team and their experiments? - Curse of Skinwalker Ranch

A map showing a portal inside the Bermuda Triangle

Scientists find a space shuttle in the Bermuda Triangle - Bermuda Triangle: Into Cursed Waters

Ranch CCTV shows grazing cattle with a strange blur in the sky

Did the ranch caretakers catch a UFO on their cattle's CCTV? - Curse of Skinwalker Ranch

Painting of the Greek gods

Was it possible that the Greek gods were actually aliens? - Ancient Aliens