The psychiatric hospital for insanity. Many psychopathic criminals such as the Joker, Poison Ivy, the Riddler, Two-Face, the Scarecrow, Killer Croc and Harley Quinn have been imprisoned within the Asylum and also escaped from it. The main site in Gotham City for harboring the mentally insanity. The psychologically disturbed are housed here under the care of Dr. Jeremiah Arkham and his staff, but they are also in charge of looking after the criminals and villains found in court to be clinically insane. For the safety of the Gotham City civillians, Arkham Asylum is located on the very fringes of Gotham City.
