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

THE Dubai skyline is set to undergo a major change ... The city was also due to get the world's first spinning skyscraper with 80 rotating floors which was set to open in 2020.

Skyscraper-studded Dubai has been on a hot streak for the last five years — and some are starting to get burned ...

The incredible penthouse home, which has been described as a "palace in the sky", has been kept secret for more than a decade ...

Islands in the Sky will feature botanical gardens suspended from the air and cascading pools filled with restorative waters ...

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.