Horror: Gems that actually disturb.

I've compiled this list based on the fact when I go to pick a horror I wish there was a list like this, someone telling you what actually is disturbing. I guess it's all down to opinion but I really think these one's do the job.
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1.
Antichrist (2009)
    1 2 3 4 5 6 7 8 9 10 6.6/10 X  
A grieving couple retreat to their cabin in the woods, hoping to repair their broken hearts and troubled marriage. But nature takes its course and things go from bad to worse. (108 mins.)
Director: Lars von Trier
 
2.
Absentia (2011)
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  
A woman and her sister begin to link a mysterious tunnel to a series of disappearances, including that of her own husband. (87 mins.)
Director: Mike Flanagan
 
3.
The Pact (2012)
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  
As a woman struggles to come to grips with her past in the wake of her mother's death and the disappearance of her sister, an unsettling presence emerges in her childhood home. (89 mins.)
 
4.
Insidious (2010)
    1 2 3 4 5 6 7 8 9 10 6.8/10 X  
A family looks to prevent evil spirits from trapping their comatose child in a realm called The Further. (103 mins.)
Director: James Wan
 
5.
The Strangers (2008)
    1 2 3 4 5 6 7 8 9 10 6.2/10 X  
A young couple staying in an isolated vacation home are terrorized by three unknown assailants. (86 mins.)
Director: Bryan Bertino
 
6.
Paranormal Activity (2007)
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  
After moving into a suburban home, a couple becomes increasingly disturbed by a nightly demonic presence. (86 mins.)
Director: Oren Peli
 
7.
The Exorcism of Emily Rose (2005)
    1 2 3 4 5 6 7 8 9 10 6.7/10 X  
A lawyer takes on a negligent homicide case involving a priest who performed an exorcism on a young girl. (119 mins.)
 
8.
Feardotcom (2002)
    1 2 3 4 5 6 7 8 9 10 3.3/10 X  
A New York City detective investigates mysterious deaths occurring 48 hours after users log onto a site named feardotcom. (101 mins.)
Director: William Malone
 
9.
The Devil's Rejects (2005)
    1 2 3 4 5 6 7 8 9 10 6.9/10 X  
The murderous, backwoods Firefly family take to the road to escape a vengeful police force which is not afraid of being as ruthless as their target. (107 mins.)
Director: Rob Zombie
 
10.
Funny Games (2007)
    1 2 3 4 5 6 7 8 9 10 6.5/10 X  
Two psychopathic young men take a family hostage in their cabin. (111 mins.)
Director: Michael Haneke
 
11.
Vacancy (2007)
    1 2 3 4 5 6 7 8 9 10 6.2/10 X  
A married couple becomes stranded at an isolated motel and finds hidden video cameras in their room. They soon realize that unless they escape, they'll be the next victims of a snuff film. (85 mins.)
Director: Nimród Antal
 
12.
Dogtooth (2009)
    1 2 3 4 5 6 7 8 9 10 7.3/10 X  
Three teenagers live isolated, without leaving their house, because their over-protective parents say they can only leave when their dogtooth falls out. (94 mins.)
 
13.
The Midnight Meat Train (2008)
    1 2 3 4 5 6 7 8 9 10 6.1/10 X  
A photographer, Leon's obsessive pursuit of dark subject matter leads him into the path of a serial killer, Mahogany, the subway murderer who stalks late night commuters, ultimately butchering them in the most gruesome ways imaginable. (98 mins.)
 
14.
The Amityville Horror (2005)
    1 2 3 4 5 6 7 8 9 10 6.0/10 X  
Newlyweds are terrorized by demonic forces after moving into a large house that was the site of a grisly mass murder a year before. (90 mins.)
Director: Andrew Douglas
 
15.
Exam (2009)
    1 2 3 4 5 6 7 8 9 10 6.9/10 X  
The final eight candidates for a highly desirable corporate job are locked together in an exam room and given a test with one question. It seems simple yet confusing that soon, tensions begin to unravel. (101 mins.)
 
16.
The Eye (2008)
    1 2 3 4 5 6 7 8 9 10 5.4/10 X  
A woman receives an eye transplant that allows her to see into the supernatural world. (98 mins.)
 
17.
The Unborn (2009)
    1 2 3 4 5 6 7 8 9 10 4.8/10 X  
A young woman fights the spirit that is slowly taking possession of her. (88 mins.)
Director: David S. Goyer
 
18.
The Orphanage (2007)
    1 2 3 4 5 6 7 8 9 10 7.5/10 X  
A woman brings her family back to her childhood home, which used to be an orphanage for handicapped children. Before long, her son starts to communicate with an invisible new friend. (105 mins.)
Director: J.A. Bayona
 
19.
The Haunting in Connecticut (2009)
    1 2 3 4 5 6 7 8 9 10 5.9/10 X  
After a family is forced to relocate for their son's health, they begin experiencing supernatural behavior in their new home, and uncover a sinister history. (92 mins.)
Director: Peter Cornwell
 
20.
Dread (2009)
    1 2 3 4 5 6 7 8 9 10 5.7/10 X  
Three college students set out to document what other people dread most. (108 mins.)
Director: Anthony DiBlasi
 
21.
Little Deaths (2011)
    1 2 3 4 5 6 7 8 9 10 4.7/10 X  
Composed of three disturbingly sensual and terrifying short narratives, unified by the twin themes of sex and death. (94 mins.)
 
22.
6 Souls (2010)
    1 2 3 4 5 6 7 8 9 10 6.1/10 X  
A female forensic psychiatrist discovers that all of one of her patient's multiple personalities are murder victims. She will have to find out what's happening before her time is finished. (112 mins.)
 
23.
The Fourth Kind (2009)
    1 2 3 4 5 6 7 8 9 10 5.9/10 X  
A thriller involving an ongoing unsolved mystery in Alaska, where one town has seen an extraordinary number of unexplained disappearances during the past 40 years and there are accusations of a federal cover up. (98 mins.)
 
24.
Grave Encounters (2011)
    1 2 3 4 5 6 7 8 9 10 6.1/10 X  
For their ghost hunting reality show, a production crew locks themselves inside an abandoned mental hospital that's supposedly haunted - and it might prove to be all too true. (92 mins.)
 
25.
V/H/S (2012)
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  
When a group of misfits are hired by an unknown third party to burglarize a desolate house and acquire a rare VHS tape, they discover more found footage than they bargained for. (116 mins.)