Every evening around 6pm, when I pick my son up from daycare, he and I have to check out the CN Tower which we can easily see from our neighbourhood. During November and December There is a Lights Festival in Toronto - called the Cavalcade of Lights. The last few nights the Tower has been showing a range of colours including the rainbow, zipping up and down the sides. It's actually gorgeous to see.
I'm sorry I dont have any photographs, but I did try to take some. Unfortunately my camera cannot capture the lights from the long distance we are at, although our eyes can see the lights perfectly. Except when it's snowing, and the tower is covered by the clouds.