Time is running out to purchase half-price tickets to the Columbus Zoo & Aquarium’s holiday Wildlights. The half price member-only discount ends Oct. 31. The tickets are valid through the holiday season, Nov. 17, 2017-Jan. 1, 2018. Brighten your holiday with more than three million twinkling lights, activities for kids, Santa Claus, and festive events for the whole family. Get half price tickets now.