Greenville Health System is sponsoring this year's Boo in the Zoo! The Greenville Zoo's annual Boo in the Zoo will be October 16-18 and 23-25 from 5:30 p.m.-8 p.m. There will be trick-or-treating, games, activity booths, an unhaunted house, and more! Costumes are welcomed and are encouraged! This event is a safe way to enjoy Halloween traditions. More information and ticket pricing is available here.