A portal to hell has opened, releasing spirits of the damned to waken the denizens of the Hidden Hills cemetery, and animate ghastly creatures of a nearby pumpkin patch! Graveyard walk-thru with fog, sound, static, animated and pneumatic props. Occasional live actors Demonground: The Hidden Haunt640 Regal Lane, Algonquin, IL 60102Scare Rating: 3Hours: Oct 7 …