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The Haunting (both the original & the remake are good).

The Messengers.

Amityville Horror (also both original & remake are good).

The Changeling (with George C. Scott)

The Haunting (1963; I advise staying away from the remake...)

The Innocents (1961)

The Orphanage (foreign film)

What Lies Beneath

I love the Haunting newer film. Silent Hill is creepy too. Darkness Falls isn't horror but it is still really good.

original "the haunting"

haunting of mary hartley.

haunted forest.

dark floors.

the eye.

the exorcist.

or just watch all the haunting episodes from "Unsolved Mysteries" like i do ;D

My all time favorite is Poltergeist. The sequels are okay but the first one is the best.

http://www.amazon.com/gp/redirect.html?ie=UTF8&loc...

the amityville horror