Overview: Blackbeard's ship, Queen Anne's Revenge, was once the most feared vessel ever to sail the high seas. In May 1718, she sank off the North Carolina coast, bringing an end to her six-month reign of terror. Now, nautical archaeologists, historians, and scientists are studying the remains of a wreckage believed to be the infamous flagship. Host Adam Mastrelli tracks their quest to answer a 300-year-old question: Was Queen Anne's Revenge the victim of an accident...or sabotage committed by Blackbeard himself?