Ever since humans first developed tools, they have been building, and the world is now decorated with structures of all kinds. The Structural Wonders series identifies 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, insightful sidebars, and a timeline detailing the steps toward construction. Quizzes and further research sources encourage readers to learn more about these fascinating structures.