In Honor of Halloween

Entertainment Weekly has announced the 20 scariest movies:

1. The Shining (1973)
2. The Exorcist (1973)
3. The Texas Chainsaw Massacre (1974)
4. The Silence of the Lambs (1991)
5. Jaws (1975)
6. The Ring (2002)
7. Halloween (1978)
8. Psycho (1960)
9. Seven (1995)
10. Rosemary's Baby (1968)
11. Poltergeist (1982)
12. 28 Days Later (2003)
13. A Nightmare on Elm Street (1984)
14. The Thing (1982)
15. The Evil Dead (1982)
16. Carrie (1976)
17. Night of the Living Dead (1968)
18. The Omen (1976)
19. An American Werewolf in London (1981)
20. Henry: Portrait of a Serial Killer (1990)

I can think of some other movies that creep me out, but it looks like these are the classic scary movies. How about Pet Semetary? Saw? Thirteen Ghosts? The Hills Have Eyes?