The Burj Khalifa (Arabic: برج خليفة‎‎, Arabic for "Khalifa Tower"; pronounced English: ˈbɜːrdʒ kəˈliːfə), known as the Burj Dubai before its inauguration, is a megatall skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft) including the antenna and a roof height of 828 m (2,717 ft), the Burj Khalifa is currently the tallest structure in the world since topping out in late 2008.