Winter Lights 2025 is an immersive indoor and outdoor nighttime experience that celebrates the beauty and wonder of plants in winter. Set across the Arboretum’s walkable pathways and indoor spaces, this year’s botanical-themed light displays highlight the University of Minnesota’s historic plant introductions and innovations. Guests will encounter dazzling tunnels, glowing gardens and nature-inspired installations that illuminate the science and magic of the natural world. New for 2025: Step into a breathtaking indoor forest of evergreen trees, each adorned with artful, nature-inspired decorations. Pre-register your admission on the website and choose from select nights in Nov and Dec!