•  Slide Show

Burj Khalifa formerly known as Burj Dubai is a skyscraper in Dubai, United Arab Emirates, steel-ribbed, glass-clad and completely unsustainable. The tallest man-made structure ever built, at 828 m (2,717 ft). The 828m skyscraper boasts the world\\\'s highest swimming pool and mosque and is said to contain enough glass to cover 17 football pitches. Burj Khalifa radiate out in a series of ellipses from the sky breaking tower encompassing residential, commercial, hotel, entertainment, and the world largest shopping mall.