One of the most famous ghost pictures take is The Brown Lady, which was taken in England in 1936. When you see the photograph you get goose bumps, it is really a spooky picture of a clear ghost and it is completely real.
You may wonder how these ghost pictures are taken, or how a person is able to capture a spirit on film. There is no correct answer, there is a combination of various factors that create a scary scene.
Link: Ghosts photos