Sawing, the condemned was hung upside down and then sawed apart down the middle, starting at the crotch. Since the condemned was hanging upside-down, the brain received a continuous blood supply in spite of severe bleeding. Hanged, Drawn and Quartered; Dismemberment using horses, Flaying, Impalement, crushing using animals like Elephants that had been trained to step on people, Disembowelment, Crucifixion, boiling to death, el Garrote Vil...I can go on and on...
I needed to make research and now I think I'm going to throw up ;_;