Ashikaga Flower Park, Tochigi
From December to February the Ashikaga Flower Park has a winter illumination where everything is covered in LED lights. There are different sections dedicated to a variety of themes. Like the place in this picture is winter themed. There are also tunnels and areas with hanging LED lights that you can just wander into. If you happen to be in the Tochigi Prefecture around those months head over to the Ashikaga Flower Park you will not be disappointed.