CN Tower Fast Facts

The CN Tower in Toronto, Canada.

(CNN)Here's some background information about the CN Tower, or Canada's National Tower.

Standing 1,815 feet (553.33m), it is the world's third-tallest freestanding tower. The CN Tower is located on Front Street in Toronto's entertainment district. It attracts more than 1.5 million visitors each year.
Other Facts:
Rogers Centre, home of the baseball team the Toronto Blue Jays, is located next to the tower.
The highest observation deck, the SkyPod stands 1,465 feet (447m). On a clear day, visitors can see Niagara Falls from the Sky Pod.
    The antenna is 335 feet (102m) tall and it carries radio, television and cellular telephone signals.
    February 6, 1973 - Canadian National Railways begins construction on the tower.
    - One of the reasons it is built is to eliminate the problem of poor television signals in the area.
    - Construction takes approximately 40 months
    - The completed structure weighs 130,000 tons and costs $63 million (Canadian dollars) to build.
    June 26, 1976 - The tower opens to the public.
    October 1, 1976 - The tower's official grand opening ceremony takes place.
    June 26, 1994 - The Glass Floor opens.
    1995 - The tower is named one of the Seven Wonders of the Modern World by the American Society of Civil Engineers.
    August 1, 2011 - EdgeWalk opens on the roof of the tower's restaurant. The EdgeWalk is a circular outdoor ledge 1,168 feet (356m) above the ground. Visitors walk around while attached to an overhead safety rail.
    August 2015 - A wheelchair-accessible version of the EdgeWalk debuts.
      June 2017 - The LookOut Level, a viewing platform with floor-to-ceiling window walls and a glass floor, is unveiled. The LookOut level is located 1,136 feet (346 meters) above the ground.
      June 2018 - A renovation project is completed on the LookOut Level, with the opening of a new eatery called the Bistro. The platform is designed to be more accessible to those with disabilities.