It may be less a clue than the reason the mystery never dies.

For some reason, there's something about an unsolved mystery that the human brain can't leave alone. Few unsolved mysteries have proved quite so stubbornly irresistible as a small, odd depression in ...

The Oak Island cipher stone is irresistible. It’s a buried slab with strange symbols and a message that supposedly points to a fantastic treasure worth millions of dollars just a little deeper ...

Add Yahoo as a preferred source to see more of our stories on Google. The Oak Island cipher stone is irresistible. It’s a buried slab with strange symbols and a message that supposedly points to a ...