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