From now until March 31, 2013, one can visit the festival of LED lights, Winter Illuminations at Nabana no Sato, a botanical garden on the island of Nagashima in Japan. One of the highlight this year is an incredible tunnel of light with tens of thousands of LED lights.
According to the world festival website ,
A flower-focused park featuring sprawling gardens and giant greenhouses. Running annually from mid November to mid March is one of Japan’s finest Winter Illuminations, including the famous tunnel of light.
The park also features an onsen (hot spring) and a variety of restaurants including the Nagashima Beer Garden.