It’s still a little over a week until Halloween and many venues are already well into their ghostly celebrations. Here are some highlights of haunted happenings around the valley:All Things HauntedFreakling Bros. Horror ShowIKEA Parking Lot, 6555 S. Riley St.Various dates Oct. 1-31, 7 p.m.$25-$250Featuring the classic Castle Vampyre, Coven of 13, and