Plunge into Wealth: 11 Stunning Underwater Finds That Amaze & Profit

4. The Steam Engine of SS Thistlegorm

SS Thistlegorm: A Sunken War Treasure Estimated Value: $3.027 million* Year Lost: 1941 Year Found: 1956, Early 1990s Constructed by Joseph Thompson & Sons for over $3 million in 1940, the SS Thistlegorm was a fortified Merchant Navy vessel. Before its tragic fate, it completed key missions and had a recent overhaul in Glasgow.

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The SS Thistlegorm: WWII Cargo Giant The Thistlegorm’s last load was vital for Egypt’s war effort—radios, Bren guns, ammo, and armored vehicles. In 1941, German bombers attacked, sinking the ship and killing nine crew members. Years later, explorers like Jacques Cousteau rediscovered the wreck, exposing its cargo and gripping wartime saga.