Secrets of the Unknown: Hollywood Hauntings (1987) is a Documentary film that follows hollywood Haunting explores the mysteries surrounding Hollywood stars and their ghostly comebacks. Viewers decide for themselves whether sightings of legends such as Jean Harlow, Lionel Barrymore, and Harry Houdini are truth or fiction. Highlights include an investigation of John Wayne's haunted yacht. Currently, you can watch Secrets of the Unknown: Hollywood Hauntings on Amazon Video. Streaming availability may vary by country and platform over time. Fans of documentary movies may also want to explore similar titles below.