The WCW Hall of Fame seemed ok when I read about it. However, there's controversy attached to it when apparently Savage managed to get his father in which pissed off Solie, who ended up going in as well.
The WWE will have rights to it but will prefer their own Hall of Fame over WCW's.
The NWA has a hall of fame but I don't think there is a physical one.
The only physical hall of fame I know of is
http://www.pwhf.org/