Josh Bernstein researches the controversial theory laid out in Dan Brown's book "The Da Vinci Code" that Jesus married Mary Magdalene and that she conceived a child - and that the bloodline continues to this day.

In 1898, a Minnesota farmer uprooted a large stone dating back to 1362 covered with mysterious runes. Is it proof that the Knights Templar discovered Americä Has the Holy Grail been in America all along?

People have searched for centuries for the cup Jesus drank from at the last supper. Is it possible this Holy Grail has survived as a hidden treasure - or even in plain sight?

Over 20 years before "The Da Vinci Code," Henry Lincoln shocked the world with the possibility that Christ had fathered a child. He now explains the origins of "The Code" and reveals the results of his ongoing research.

For nearly two centuries, the Knights Templar were the most powerful order in the Medieval world. Then came accusations of unspeakable crimes. How did they become so powerful so fast? Why did they fall just as quickly?

For nearly two centuries, the Knights Templar were the most powerful order in the Medieval world. Then came accusations of unspeakable crimes. How did they become so powerful so fast? Why did they fall just as quickly?