Salisbury, MD – Follow the candy trail at the Salisbury Zoo during Halloween Happening events, set for Saturdays, Oct. 12 and 19. Halloween Happening, presented by Gateway Subaru, will run from 1-4 p.m. each of those dates. Those who purchase tickets online through six days before each event (Oct. 6 and Oct. 13, respectively) will have early entry beginning at noon. Tickets will also be for sale at the gate.