The colorful glow of Washington, D.C.’s beloved Smithsonian’s National Zoo holiday tradition is back for 2022!  Free passes are required this year and will open to the public soon! Join the thousands of visitors who make ZooLights, powered by Pepco, a part of their annual holiday tradition. A free, ticketed, event, ZooLights includes live music performances, tasty winter treats and plenty of opportunities for holiday shopping.  Environmentally friendly LED lights and dozens of glowing animal lanterns transform the Zoo into a winter wonderland!