Expedition Files (2024)

Name: Vanished: Jimmy Hoffa, Holy Grail, Inventor Rudolf Diesel
Released: 2025-11-05

S3E1 Vanished: Jimmy Hoffa, Holy Grail, Inventor Rudolf Diesel

Nov 05, 2025 Season 3 Episode 1 Action & Adventure, Mystery, Documentary

What truly occurred with union leader Jimmy Hoffa? Can today's technology finally unveil the secrets of the Holy Grail? Also, was inventor Rudolf Diesel's death at sea genuine, or did he orchestrate his own vanishing act?