In a such a modern city like New York, it's hard to believe that you will still find some old castles. Still, during a trip where you proposed yourself to see the unseen part of the city, you found this very old and abandoned castle. It's the Bannerman castle which was a great tourist attraction few years ago. But since them no one invested in it and got destroyed. Now all you can see are some ruins which you started to explore. Oh but what happened, it seems that you got trapped here, you must find a way out. Best of luck!
Walkthrough for Escape from the Bannerman Castle at New York