For me it is the original Texas Chainsaw Massacre! I still get nightmares when I watch this movie!

http://www.youtube.com/watch?v=pXIsaaNsHV4&feature=related
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That's easy... The Exorcist. Hands down.
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For me, it always has been and always will be

The Shining!

http://www.youtube.com/watch?v=bt9E1_KFfMY

The tension...the slow descent...

The first time I saw it was in a college gymnasium, surrounded by a couple of hundred people. The walk back to the dorm was the longest late night walk I've ever experienced.
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The silent film Nosferatu, released in 1922 by Films adn directed byt the great German Expressionist films director, Murnau].. It was the original vampire film.

The film is now in the public domain so here it is in its entirety. (Yow! It still gives me the creeps in a way that a cheesy, exploitation horror flick from the 1950's or a slash and gore, splatter film or the 1980's cannot).

Gecha popcorn and sit back, relax ad enjoy the feature!


Source(s):
http://www.youtube.com/watch?v=rcyzubFvBsA

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For me it's a tie between Jaws and Alien

Jaws may not technically seem like a horror movie but it has scared more people out of going into the ocean since 1975 than you can count! That is a pretty scary movie to make so many people forever afraid of open and deep water.

http://image.examiner.com/images/blog/wysiwyg/image/Jaws_movie_poster(4).jpg

Alien brought you a type of monster unheard of before 1979. And the scene where you first see what the monster is!? Who would have thought, sitting in the movie theater way back then, that something would come bursting out of a person's chest!? That must have been downright terrifying!

http://johneaves.files.wordpress.com/2009/05/alien-movie-poster11.jpg
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I'd have to go with "Sixth Sense" for the suspense factor. But, if I were to go with a gory, chilling movie, I'd pick "Last House on the Left."
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For me the greatest horror movie is Hellraiser
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Hmm, I've been a fan of the horror genre for as long as I can remember (which is longer than I care to think about!), and choosing one movie is extremely difficult, but I have decided to go with one which is perhaps not on the tip of everyone's tongue.

The Haunting - 1963 - Produced by Robert Wise - Starring Julie Harris, Claire Bloom, Richard Johnson and Russ Tamblyn. (Accept no remade substitues!)

I think I was about thirteen when I first watched this movie and I spent the next month having nightmares and sleeping with the light on. I recently bought the movie on DVD and was both surprised and delighted to find that it still scared me witless.

None of your gore and fantastic special effects here (keep those things far from me), not even colour. Rather, you are taken onto a journey into someone's head and the mind is far more frightening than any CG monster. Based on a Shirley Jackson novel, 'The Haunting of Hill House', the watcher spends the entire movie in terrified uncertainty, never sure if the 'ghosts' are real or in the imagination.

There is a particular scene (I will try to keep this spoiler free) where the walls come into play. Having sat through it, I was left sweating and with deep nail crescents dug into my palms where I had clenched my fists all the while! I am happy to report the same scene had the same effect some thirty years later.

Forget monsters and psychos, much as I have room for them too, and watch something truly terrifying - an uncertain and unsettling voyage into a mind which is falling apart.... or is it?
Source(s):
Internet movie database page - http://www.imdb.com/title/tt0057129/

Youtube movie link - http://www.youtube.com/watch?v=LQEjjzgdZFQ

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