Boo at the Zoo Returns for Another Howl-oween Season!
Philadelphia, PA - The region’s most festive Halloween tradition is back! Boo at the Zoo returns on October 14, 15, 21, 22, 28 and 29 from 9:30 a.m. to 5:00 p.m. Join the Philadelphia Zoo for a trick-or-treat safari, seasonal décor, children's activities, and more among your favorite Zoo animals!