11 Astonishing Underwater Treasures That Made Fortunes and Defy Belief

3. Hawaii's F4U Corsair

The F4U Corsair: A Legend Beneath the Waves Estimated Value: $4–$5 million* Year Lost: 1948 Year Found: N/A The F4U Corsair, a legendary fighter jet, earned its place in history during World War II and the Korean War. With a top speed of 446 mph and rugged durability, it provided Allied pilots with a crucial edge in battle.

Of the 12,571 Corsairs built, one now rests off Hawaii’s coast, adding a new chapter to its storied legacy.

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Hawaiian Air Force's F4U Corsair During a routine mission, engine trouble forced the pilot to ditch the aircraft in the ocean. Though the landing was smooth, the plane soon sank. Once a fierce war machine, the Corsair now serves as a thriving habitat for eels and marine life, blending aviation history with the wonders of the sea.