It may be less a clue than the reason the mystery never dies.
Centuries-old clue: The Oak Island cipher stone, found about 90 feet underground in the early 1800s, allegedly pointed to buried riches. Lost and unverified: The stone vanished without early sketches ...
"Curse of Oak Island" is airing the 25th episode of its 13th season on Tuesday, May 5 at 9 p.m. Here's everything you need to know to watch for free, whether you want to watch live or on demand.
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