A missing mummy could re-write the history of Abraham Lincoln's assassination. Mummy expert Ramy Romany investigates a potential government cover-up that allowed John Wilkes Booth to escape capture after murdering President Lincoln.

A mummy recovered at the bottom of the Atlantic has led treasure hunters to $120 million in gold and jewels stolen by infamous pirate Black Sam. Ramy Romany dives the frigid waters to investigate what might be the greatest heist of all time.