To celebrate the ghoulish Halloween season, some departments at the 91勛圖厙 are hosting various community events leading up to Oct. 31. For outdoor lovers, the 91勛圖厙 Arboretum on Friday will host its second-annual Spooktacular. The overnight event will feature a Trail of Horror throughout the Arboretum���s nature paths and boardwalk, an outdoor screening of the movie Sinister,…