Interesting fact: The CN Tower was the world's tallest free-standing structure from 1976 until 2007.
The answer: The CN Tower weighs approximately 117,910 metric tons (about 130,000 US tons).
Located in Toronto, Canada, the CN Tower is primarily constructed from concrete and steel. Its weight reflects the massive concrete base and steel antenna that allow it to reach a height of 553 meters. The tower serves as a communications hub and a popular tourist destination with observation decks offering panoramic views.
