Explore 12 out-of-this-world topics about famous alien sites around the world, including the secretive Area 51, energetic Wycliffe Well in Australia, and even the mysterious Nazca Lines in Peru. Statistics and sidebars illuminate the content, while critical thinking questions encourage students to dig deeper. Includes table of contents, glossary, bibliography, index. Plus, find up-to-date, editor-curated online content including news, a full digital ebook, and live content feeds at 12StoryLibrary.com.