America's greatest unsolved code leads to a $60million treasure - but no one has been able to crack it for 180 years. The mystery of the Beale ciphers begins in 1885, when a small pamphlet with three ...

For over 200 years, the Beale Ciphers have guarded one of the largest lost treasures in American history. Only one of the three coded messages has ever been solved and the other two remain ...