The construction of the tower began the 6th of february on 1973, and ended on the 20th of september on 1976.
CN Tower is a viewpoint, that also offers access to a well known restaurant that has 360 view of the city and keeps rotating every 72 minutes
You have to visit Niagara falls during the day, but also during the night. When the sun goes down, they project colored lights. But this is not all, with a little luck, you can attend the longest fireworks show in Canada, and with the best possible scenario when the falls are accompanied with music.