The Taipei 101, widely considered to be the world's tallest building at 1,671 feet, was unveiled to the public on new year's Eve 2004.

The Petronas Twin towers in Kaula lumpur, Malasia,attached in the middle by bridge, once held the title of the world's tallest building.

AT 1,815 feet, the CN Tower in Toronto is considered to be the tallest free-standing structure in the world.

Disingners of the "NEW TOKYO TOWER" seen in this computer-generated image, claim to be the world's tallest when completed in 2011.The Tower will start 2,013 feet tall.

here's one more, needs the paint job though.