In 1872, the Mary Celeste merchant ship set sail from New York, bound for Italy. About a month later, it was spotted adrift in the ocean. The crew had vanished. The ship’s charts were found scattered, and crew members’ belongings were still onboard. The lifeboat was missing. What happened to the crew? Explore the theories behind the crew’s disappearance and why it has become one of history’s greatest mysteries. Part of the History's Mysteries series.