TokyoDome Winter Illumination (東京ドームイルミネーション) has a great Christmas illumination. There are about 2.2 million LED lights. The Light Promenade is very famous illumination in Tokyo. Every year, they have special concept. All of the Tokyo Dome City attructions has also unique lite-up.

Tourist Info.
There are parking and restroom.
Admission: Free.
Time: 17:00 to 25:00
Period: Nov. 6 to Feb. 15

Access
0. at Tokyo Station.
1. use JR Marunouchi Line to Korakuen.
2. walk south.