Impalement
Impalement was a particulat favorate of Vlad the Impaler. This form of torture/execution involved impaling people on wooden spikes and leaving them to die a horrable and painful slow death. The impalement was often done up the rectum, or sometimes through the stomach or heart. Occastionally, for variety, Vlad would impale people upsidedown through the skull. Sometimes just the head was impaled, but this was more a form of decoration than torture because the owner of the head was usually long dead by the time he was put on display.