i couldnt pick just one horror movie,
alien-just an unreal amazingly scary movie
jaws-probably my favorite movie of all time. such good tension!
A Nightmare On Elm St.- i know this series is pretty cheesy, but the thought of a burnt child killer than can kill you in your dreams scared the crap out of me!
Silence of the lambs-not an out and out 'horror' movie but it does have one of my favorite scary scenes of all time-when clarece is in the house with Jame Gumm and he shuts the light off and and you see through his night vision goggles! Gets me every time!
More Recently [REC] had alot of great scary moments, the whole last 5 minutes of that movie i couldnt move!