moonboy writes "From the CBSNews.com article: 'The experts who cracked Nazi Germany's secret codes are tackling a 10-letter enigma that has stumped fine minds for more than 250 years - D.O.U.O.S.V.A.V.V.M. Former code-breakers from Britain's World War II intelligence center at Bletchley Park set out this week to decipher a cryptic inscription on an 18th-century monument at an English country estate. Legend says it reveals the location of the Holy Grail. Some believe it is a private message to a deceased beloved. No one knows for sure."