Halloween haunting is in progress through Nov. 3 at "A Nightmare on St. John Street," Havre de Grace. The old Seneca Cannery Warehouse there is the site at 7 p.m. each day, including 39 separate horror scenes. Proceeds will benefit the Battery Island Preservation Society Inc. Call (301) 939-9683 or (301) 939-2877.
The Gray Charles Haunted House at the North Point Government Center, Merritt Boulevard and Wise Avenue, is open today through Sunday and Oct. 29-31. Hours are Sunday to Thursday 7 p.m. to 9:30 p.m., Friday and Saturday 7 p.m. to 10:30 p.m. Call 887-7180 weekdays between 9 a.m. and 4 p.m.
"Haunted Hayrides" offers a complimentary hayride through the "field of screams," stopping at the "Witches Brew" for deadly doughnuts and spider cider, Thursday to Sunday and Oct. 31 to Nov. 2, in three locations: Nixon's Farm at Routes 70 and 32, Howard County; Route 450 at Highbridge Road between Routes 193 and 197 in Prince George's County; and in Harford County, three minutes from Exit 85 off Route 95N. The Association for Retarded Citizens of Harford County and House of Ruth will also be recipients of complimentary hayrides for patients and their families on designated nights. Call (301) 596-2469.