Here is my personal of HORROR FILMS I CAN REVISIT ANYTIME...

THE SHINING
ALIEN
EYES WITHOUT A FACE
THE EXORCIST
NOSFERATU (1922)
FRANKENSTEIN (original)
ROSEMARY'S BABY
HALLOWEEN
NIGHT OF THE LIVING DEAD (series)
ONIBABA
THE OMEN
CARRIE
BLOOD FOR DRACULA
SISTERS (DePalma)
THE DEAD ZONE
INVASION OF THE BODY SNATCHERS (original)
DON'T LOOK NOW

What are some of your favs?