The Spanish Military Hospital
St. Augustine, Florida

- Photo Credit: Wikimedia Commons
Pennhurst Asylum
Spring City, Pennsylvania

- Photo Credit: William Doyle / Flickr (CC)
Athens Mental Hospital
Athens, Ohio

- Photo Credit: Alchetron
Taunton State Hospital
Taunton, Massachusetts

- Photo Credit: Wikimedia Commons
Rolling Hills Asylum
East Bethany, New York

- Photo Credit: Still from "Ghost Detectives" via NEPA Paranormal
Waverly Hills Sanatorium
Louisville, Kentucky

- Photo Credit: Aaron Vowels / Flickr (CC)
Trans Allegheny Lunatic Asylum
Weston, West Virginia

- Photo Credit: Matt Evans / Flickr (CC)
Eastern State Penitentiary
Philadelphia, Pennsylvania

- Photo Credit: Wikimedia Commons