A countdown of America's 60 most notorious unsolved mysteries and crimes.
We continue counting down America's greatest unsolved mysteries including the infamous escape from Alcatraz, the hunt for the New Orleans axeman, and did Butch Cassidy and the Sundance Kid survive? E5
We've reached the top 25 in our countdown of unsolved mysteries including a famous outlaw who escaped his grave, an infamous gangland massacre never solved, and a secret mob assassin revealed. E6
The countdown of crimes and mysteries that have baffled America continues with a bizarre blend of brutal murders, skyway robbery, lost riches, lost colonies, and an unexplained disappearance. E7
Moving through our countdown of America's greatest unsolved mysteries and crimes, we uncover a secret society, and two baffling tales of disappearance - an American hero and a whole culture. E8
We reach the top 10 in our countdown of America's greatest unsolved mysteries including the assassination of Martin Luther King, a witch hunt in Salem, and the missing minutes on Nixon's tapes. E9
We conclude the countdown of the greatest unsolved American mysteries and crimes with three cigars that changed the course of the American Civil War and a presidential assassination conspiracy. E10