With science now on our side, it appears we can finally identify the scariest movie ever. Here is a list of the 20 scariest horror movies of all time, according to hard data.
Vote up the most terrifying films you've ever seen, regardless of how good or bad they are. The scariest movies of all time captivate audiences by thrilling stories, spine-chilling visuals, and unforgettable performances.
Based on other lists and suggestions from the RT staff, we pulled together 40 of the scariest movies ever made and asked you to vote for the one that terrified you the most.
From new horror movies like 'Talk to Me' to the classics like 'The Exorcist,' Cosmo compiled a list of the scariest movies of all time and where to watch them.