Tallest Tower in Canada

The CN Tower, located in Toronto, Ontario, is the world's tallest freestanding structure on land, standing 553.33 meters (1,815 ft 5 in) tall. It is considered the signature icon of the city, attracting more than two million international visitors annually. It was built for the Canadian National Railway at an original cost of $63 million in 1976.

Here's pic of the tower.