the dictionary
This is a matter of opinion. The Exorcist is definitely one of the top horror films of all time, but scary is a relative word.
Exorcist
One of the scariest horror films of it's time was "The Exorcist". Featuring Linda Blair as a young girl who had been possessed by an ancient spirit, the film was almost banned by the censors.
In my opinion the scariest film is the exorcist .But that's only my opinion. though.Cretth 2010
IMDB does not maintain its own list of the scariest movies of all time, but it does allow the sites users to create their own lists. Users of IMDB listed "Psycho", "The Shining", and "The Exorcist" as the scariest movies of all time.
The Human Centipede
It is considered the 14th scariest film by Entertainment Weekly. It was considered very scary at the time of its release.
Definately Stephen King's IT
This is a matter of opinion. Some think Michael Myers.
American Haunting, The Shining, Poltergeist. So scary.
The Scariest Places on Earth - 2000 All New Scariest Places on Earth SUSPENDED was released on: USA: 29 October 2006