Is Arkham Asylum a real place?

Related questions

1. How many Batman Arkham games are there?
2. How do you beat Bane in Arkham Asylum?
3. Is Gotham City real?
4. Will there be any more Batman Arkham games?
5. Can I run Batman Arkham Origins?
6. Why is it called Gotham City?
7. Why was Starling City renamed?
8. Why is tuberculosis called the White Plague?
9. How do you beat Bane in Batman Arkham origins?
10. Does Batman actually die in Arkham Knight?

Tags

1. #sanitarium
2. #massachusetts
3. #precise
4. #located
5. #inspired
6. #dunwich
7. #appears
8. #doorstep
9. #thing
10. #probably
11. #innsmouth
12. #asylum
13. #state
14. #although
15. #short
16. #hospital
17. #arkham
18. #insane
19. #story
20. #location
21. #danvers
22. #unspecified