The ghost of Rudolph Valentino has been seen accompanying Marilyn Monroe in various places at the Knickerbocker. The spirit of Marilyn Monroe has been spotted in the ladies washroom. Employees have seen the apparition of a man wandering the hotel dressed in clothing that would have been worn in the 1940s. Strange happenings such as lights turning off and on or objects moving on their own have been witnessed. There have been reports of ceiling fans being tossed across the room. As with many hotels built in the golden age of Hollywood, the Knickerbocker has been the site of tragedies and celebrations. With many celebrities who stayed at the hotel over the years, it is understandable that many spirits choose to remain there. Also check out Prairie Ghosts’ article on this!