It’s the most wonderful time of the year at Zoo Lights: Holiday Magic, presented by Tucson Electric Power! Sip hot chocolate as you stroll through the twinkling lights of Tucson’s favorite holiday tradition. Over one million twinkling lights illuminate the beautiful Zoo grounds with sounds of the season flowing throughout the Zoo. Zoo Lights begins with a Members-only night on December 4 and then opens to the public from December 5-23 with Encore Nights December 26-30.