The WORST seasons of History's Greatest Mysteries

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

Investigate a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Each program within the franchise will showcase fresh, new evidence and perspectives including never-before-released documents to the general public, personal diaries and DNA evidence to unearth brand-new information about these infamous and enigmatic chapters in history.