Vanished: Jimmy Hoffa, Holy Grail, Inventor Rudolf Diesel
Expedition Files
S03E01
E1 E2
November 5, 2025 ★ 6.0 42 min
Overview
What really happened to union boss Jimmy Hoffa? Could modern technology finally prove the existence of the Holy Grail? And did inventor Rudolf Diesel really die at sea, or did he stage his own disappearance?
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