Abandoned Manteno State Hospital, Manteno, Illinois. In 1964 hydrotherapy which consisted of dunking the patient in and out of ice cold water. Treatment also included Lobotomies. Horrendous experiments were conducted on the patients at Manteno, without their knowledge of consent. In 1939, a terrible typhoid fever epidemic broke out at Manteno from July to December. Time Magazine called this incident the "Manteno Madness".