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

Though it did cost a large sum, the Burj Khalifa is not the most expensive building in the world; that title goes to Rawabi Abraj Al-Bait Tower in Saudi Arabia, which cost $15 billion. In fact ...

To learn more, visit the Burj Khalifa website. Dubai Red Dunes ATV, Camels, Stargazing & 5* BBQ Al Khayma Camp (20154 reviews) Dubai: Half-Day Desert Safari, Camels, Quad Bike & Refreshments ...