Towering high above the ground, the Burj Khalifa is currently 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 about this impressive structure in Burj Khalifa. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with video, audio, weblinks, slide shows, activities, hands-on experiments, and much more.