Tours leave Grey Towers Castle at 8 and 9 pm and are  FREE The Society for Castle Restoration is giving Ghost Tours to all those willing. They take a tour of Grey Towers Castle, the Harrison Estate, now part of Arcadia University's campus, and tell the tales of the phenomenon that has occurred. This event is open to anyone, Arcadians or community members, and is Free (Donations greatly appreciated and will go into the castle restoration fund) READ history and legends of Grey Towers Castle Tour Dates are every Thursday, Friday, and Saturday (except 10/27) with additional tours on Wednesday 10/24..... 10/4, 10/5, 10/6, 10/11, 10/12, 10/13, 10/18. 10/19, 10/20, 10/24, 10/25, 10/