The Burj Dubai, a skyscraper being constructed in Dubai, United Arab Emirates, is currently the tallest building in the world. Construction began on the multi-use tower in 2004 and was scheduled to be complete in September 2009. The multi-use tower will feature an Armani luxury hotel, residential units, commercial office space and suites, four swimming pools, an observation deck, a cigar club, fitness facility and other luxury amenities. There are many interesting facts and figures associated with the Burj Dubai tower and construction project.The Burj Dubai is the tallest building and tallest man-made structure in the world. It surpassed the Taipei 101 in July 2007 and became the tallest building and became the tallest freestanding structure when it surpassed the CN Tower in September 2007.