I think it is the Burj Khailfa in Dubai whis is the tallest in the world with about 163 floors.
CN Tower
tower in Dubai
It was completed in 1976,become the world's tallest free-standing structure and world's tallest tower at the time.
The tallest free-standing structure in Canada is CN Tower, located in Toronto, Ontario. Currently used for observation, TV and radio transmission.
The CN tower in Toronto. It was the tallest free standing building on Earth until Burj Khaalif in Dubai was built.
The Fernsehturm
The Sears Tower in Chicago, Illinois is 1,451 ft. It has been the tallest building in North America since 1974.The tallest building in North America is the Sears Tower in Chicago. The CN Tower is taller but, that is known as a "free standing structure".
The Sears Tower in Chicago, Illinois is 1,451 ft. It has been the tallest building in North America since 1974.The tallest building in North America is the Sears Tower in Chicago. The CN Tower is taller but, that is known as a "free standing structure".
Nope, The biggest free standing structure right now (2011) is the Tokyo Sky Tree. Check the link below for the 7 tallest towers.
Willis Tower, aka Sears Tower, stands at 1730 feet and is not just the tallest building in Chicago, but the tallest building in North America. It is currently the fifth tallest building in the world, as well as the fifth tallest free-standing structure in the world.
The CN Tower was, until recently, the world's tallest free-standing structure. That title now belongs to an office building in Dubai, which is still under construction. There are two television towers that are taller than the CN Tower, one in Russia and one in North Dakota, but they are supported by guy wires, and therefore are not 'free-standing.'
Actually, the CN tower is in Toronto, Ontario. The CN tower is not in Ottawa.