Edward Teach, alias Blackbeard, was the most notorious pirate of his day. At the height of his rein, he commanded a fleet of four ships and a crew of 400 men. They were ruthless seafaring raiders who terrorizing vessels in American waters. In 1718, Blackbeard even blockaded the city of Charleston, crippling its economy. Eventually he was caught and beheaded by a posse from the Royal Navy. Now, 300 years later, a marine archaeology team believe they have found his sunken flagship, Queen Anne’s Revenge, off the North Carolina coast.