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.

Mummified murder victims are being unearthed from marshy bogs across Northern Europe. Mummy expert Ramy Romany examines eerily well-preserved bodies from more than 2,000 years ago to see if they were victims of brutal human sacrifice rituals.