ZooLights is a commonly-used term for holiday lighting festivals held in zoos during the winter months, including: Zoolights at Calgary Zoo Zoo Lights at Dallas Zoo Zoo Lights at Houston Zoo ZooLights at Lincoln Park Zoo in Chicago, Illinois. ZooLights at the U.S. National Zoo ZooLights at Phoenix Zoo Zoolights at Point Defiance Zoo & Aquarium in Tacoma, Washington. LA Zoo Lights at Los Angeles Zoo and Botanical Gardens