If you unearth one of the 10 keys, you can claim a precious gem
(Newser) -
In the early 1980s, Byron Preiss buried 12 keys underground in North America that, when found, can be turned in for gems worth $1,000 each. He and a number of collaborators created a book called The Secret: A Treasure Hunt!, published in 1982, that contains a dozen paintings and...