Today Show's Search for Dan Brown's The Lost Symbol

NBC’s Today Show has been revealing clues to the important sites where Dan Brown’s latest novel, The Lost Symbol, takes place. So far three clues have been released: Clue 1, Clue 2, Clue 3. Visit the Today Show website to decipher the clues, watch a video segment, and join the discussion.

All will be revealed on Tuesday, September 15, 2009.