here is a list of hospitals,sanatoriums,insane asylums by state i found on the web some have addresses with them and some have info on whether they are still in use or not if you scroll down a little over 1/4 way down the alphabetical list will begin
http://www.rootsweb.com/~asylums/mainpage.html
While the state hospital was originally established to provide residential treatment and care to the mentally ill, its functions expanded to include a training program for nurses.
_________________
International medical insurance (http://www.mnui.com)
A system of tunnels also branched off like spokes from a central hub behind the privavte building leading to different wards of the hospital.
_________________
International medical insurance (http://www.mnui.com)