Towering high above the ground, the Burj Khalifa is currently known as the tallest structure in the world. It is so tall that it can be seen from as far as 60 miles (97 kilometers) away. Find out more in Burj Khalifa, a title in the Structural Wonders of the World series. These books identify some of the world's best-known structures, exploring their history, the people responsible for their creation, and the science behind their construction. Each title features informative text, colorful photographs and maps, and a timeline detailing the steps toward construction.