Burj Khalifa is Dubai’s tallest building .It was inaugurated in 2010. The total height is 828.9m. Recently in a survey of world most beautiful building was done Burj Khalifa was on 50th rank. It was accompanied by the other wonders of world including Taj Mahal, Hagia Sophia, Petra. Two Turkish mosques were also in including Blue mosque. The Blu mosque from Afghanistan was also part of the list. The other beautiful building includes Dome of Rock and Paris’s Palace of Versailles.