CN Tower
The CN Tower is Canada's National Tower, and it is one of the attractions that is open 364 days a year. It is visited by approximately 2 million people every year. In 1995, the CN Tower was classified as one of the Seven Wonders of the Modern World by the American Society of Civil Engineers, and for more than 30 years it was the world's tallest free-standing structure. The CN Tower consists of many inner attractions like the Glass Floor, SkyPod, 360 restaurant and EdgeWalk. EdgeWalk is a full circle hands-free walk on a 5 feet wide ledge encircling the top of the Tower, which is 1,168 feet aboveground. It has also been mentioned in the Guinness Book of World Records for the highest external walk on a building. Also, the CN Tower provides various services for individuals with disabilities and special needs.