This very famous ghost photo was taken at Boothill Cemetery in Tombstone, Arizona by Terry Clanton, a cousin of one of the legendary Clanton Gang, who shot it out at the OK Corral with the Earps and Doc Holliday. 

The Boothill Cemetery Ghost Photo, Arizona

Terry Clanton described the photograph; "The picture was shot in black & white, because my friend wanted an old western style picture of himself dressed up in my 1880 period clothes. I know there was no other person in this photograph when I shot it, especially some guy holding a knife!".

If you look carefully at the thin person wearing a black hat in the background, he looks as if he is holding a knife. The person appears to have no legs or as if it is coming out of a grave.