Burj Dubai is Emaar's iconic structure: the tallest skyscraper in the world.
It is still under construction in the Business Bay area in Dubai (United Arab Emirates) and should be completed by September 2009.
Its height, as of January 2009, is of 818m (2,684 ft).
More about Burj Dubai:
Official website: http://www.burjdubai.com/
Wikipedia entry: http://en.wikipedia.org/wiki/Burj_Dubai