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History's Greatest Mysteries Season 3 Episode 6

The Holy Grail

It's a treasure coveted by everyone from Roman Emperors to Adolf Hitler--a sacred object said to hold incredible powers of healing, resurrection and immortality. It may be the world's most sought-after relic, but what is the Holy Grail? And if it exists, can it ever be found?

Mar. 28, 2022

3 - 12
The Chicago Tylenol MurdersMay. 16, 2022
3 - 11
Lindbergh Baby KindnappingMay. 09, 2022
3 - 10
Jack the RipperMay. 02, 2022
3 - 9
The Voynich ManuscriptApr. 25, 2022
3 - 8
The Sodder Children DisappearanceApr. 18, 2022
3 - 7
Malaysia Flight 370Apr. 11, 2022
3 - 6
The Holy GrailMar. 28, 2022
3 - 5
The Amityville HorrorMar. 21, 2022
3 - 4
The Body on Somerton BeachMar. 14, 2022
3 - 3
The Dyatlov Pass IncidentMar. 07, 2022
3 - 2
The Disappearance of Jimmy HoffaFeb. 28, 2022
3 - 1
The Amber RoomFeb. 22, 2022