Through a high-interest narrative and eye-catching images, readers journey to some of Earth''s most peculiar places. They will uncover the secrets behind Stonehenge in England and the Nazca Lines in Peru. They will explore what is known about Area 51 and Roswell, New Mexico. They will learn what scientists have to say about who or what is responsible for disappearances in the Bermuda Triangle. They''ll view some of the most bizarrely colored mountains, lakes, and beaches on the planet. Intriguing sidebars and a further reading section with recent books and educational websites encourage students to dive deeper into these and other mysteries.