Milad Tower, which stands up 435 meter high on Gisha Hills of Tehran, is the fourth tallest freestanding structure tower on earth. It was started in 1999 and Scheduled for completion in late 2005 Tower head with 12000 m2 is the largest tower head in contrast with other freestanding towers in the world.
You totally missed the point. My list is for buildings, not structures. That's why CN Tower in Toronto is not included. This list only covers building. That is habitable i.e. office, apartments.