Every season of History's Greatest Mysteries ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of History's Greatest Mysteries!

Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.

The Best Seasons of History's Greatest Mysteries

Every season of History's Greatest Mysteries ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of History's Greatest Mysteries!