Having tackled the secretive Catholic conservative group Opus Dei, Dan Brown says he's writing his next book about the Freemasons.
The Freemasons say they are simply a fraternity that aims to make good men better and to support each other.
Because they are essentially secret, however, groups such as the Freemasons can stir all kinds of theories.
The all-seeing eye atop the pyramid on the $1 bill is a Masonic symbol. Some say that some of the great American buildings have Masonic symbols...Full Story