Watch Full Movie Online. Thanks to the success of Dan Brown's novel The Da Vinci Code, almost everyone in the world thinks they know a little bit about Leonardo da Vinci. But the enigmatic artist still has plenty of secrets. By examining the details of his well-known masterpieces and the hidden clues left behind in his diaries, this thought-provoking program reveals the mysteries of a man known for much as his quirks as he is for his talent.