The Burj Khalifa was also designed with sustainability in mind. It collects an impressive 15 million gallons of water ...

Next in our 21st-Century Architecture: 25 Years 25 Buildings series we examine SOM's Burj Khalifa – the most significant building completed in 2010 and still the world's tallest skyscraper.

Although we don't recommend experiencing it the way Tom Cruise did in "Mission: Impossible - Ghost Protocol," Burj Khalifa is a crucial ... for children ages 3 to 8. To get to the 148th floor ...