What is the world's tallest freestanding structure?
At 1,815 feet (553.33 meters), the world's tallest freestanding structure is Toronto, Canada's CN Tower. Built in 1976 by Canadian National, CN Tower is a television and communication transmission tower and receives over 2 million visitors annually.The tallest structure is the KVLY-TV mast near Fargo, North Dakota. It is 2063 feet (628.8 meters) tall and is supported by guy-wires.
