Even though this image is technically not Photoshopped, it is, in fact, a hoax. Though it's still pretty impressive they managed to fool people in such a manner in 1937.
This is the image of the mummified heart of Auguste Delagrange after it was pierced with a stake. Delagrange was a purported vampire and was accused of killing around 40 people. He was killed in 1912.
A Russian spy smiling right before getting executed in Finland, 1942.
This is allegedly the mummified head of the first nun ever recorded to be possessed.
What a union soldier looked like after surviving the Andersonville Prison Camp.
The body of a Hiroshima survivor.
Horatio Gordon Robley with his collection of preserved Maori tattooed heads, also known as Mokomokai.