At first glance, it's hard to think of this picturesque Italian island as being one of the scariest haunted hospitals in the world. In fact, most people probably would think it to be a nice island getaway. However, since the entire island was a quarantine zone during the Bubonic Plague's time in Europe, it definitely fits the bill. If that isn't "hospital" enough, then the mental hospital erected on the island here during the 1920s definitely will make you think otherwise. The hospital itself was a nightmare, with one particular doctor being known for performing wicked experiments on patients—often with no anesthetic, sanitization, or interest in actually keeping the patient alive. Rumor has it that karma got to the doctor, and he began to suffer from all the tortures the dead put him through. Eventually, he flung himself from the hospital's belltower, killing himself in hopes to free himself from the torture. (Hint: It didn't and he still hau...