5th Annual Haunted House at the Marshfield Fairgrounds. Two Nights Only! Friday 10/29 & Saturday 10/30 - 6 to 10 PM. This year's theme is a Hospital of Horrors. This is an affordable family event with lots of free kids and family activities. Hospital of Horrors, Huanted Hayride $5/person each. Family Hayride $2/person. Free Parking! Great Date Night! Rt. 3 to Rt. 139 East, left to Rt. 3A North - 300 yards on the right.