Northern State Hospital in Sedro-Wooley Washington has an infamous and haunted past. America’s dark history of mental health treatment and forced institutional living, left patients in over run facilities with horrific and brutal treatments. Northern State Hospitals dark past of electroshock therapy, lobotomies, malpractice and inhumane treatment has made the grounds one of the most haunted places in Washington State.

Sources:

https://en.m.wikipedia.org/wiki/Northern_State_Hospital

https://projects.seattletimes.com/2023/local/lost-patients-WA-abandoned-psychiatric-hospital/

http://www.skagitriverjournal.com/NearbyS-W/NSH/NSH1-Intro.html

https://ehss.energy.gov/OHRE/roadmap/experiments/0491doc.html

https://en.m.wikipedia.org/wiki/Western_State_Hospital_(Washington)

https://books.google.com/books?id=1TlLcS0y2dcC&pg=PA65#v=onepage&q&f=false

https://www.historylink.org/file/5058

https://usghostadventures.com/haunted-places/americas-most-haunted-hospitals-and-asylums/northern-state-mental-hospital/

https://www.theclipboardoffun.com/travel/haunted-washington-the-northern-state-insane-asylum?format=amp

https://seattleterrors.com/northern-state-mental-hospital/

https://m.imdb.com/title/tt0426697/episodes?season=3