The CN Tower is the tallest freestanding structure in the western hemisphere.   The tower completed in 1976 is 1,853 feet tall.

At, 1,100 feet, visitors can see a panoramic view of Toronto, the Lake Ontario area, and even the mist rising from Niagara Falls 80 miles away.  There is also a revolving restuarant offering fone dining.  The CN Tower's main function is for telecommunication.

You can learn more about Ontario's top tourist attraction in the link below.

http://youtu.be/jGxBJ34MgiI