Stonehenge is one of the archaeological mysteries of the world. Experts are not entirely certain why Stonehenge was built, but there are clues that have aided them in working toward discovering its true purpose. Readers will learn about some of the theories archaeologists have about Stonehenge's past and how there is not enough evidence to support their theories entirely. Maps, sidebars, and full-color photographs supplement information in the text to spark readers' interest in learning more about Stonehenge.