Deformed frogs that pop up all over the United States. Lightning that bounces around like a ball. Fish that rain from the sky in Europe. Nature holds some of our world's strangest mysteries. Explore these strange events and other mysteries of nature inside. Why did ancient people in Peru create the Nazca Lines? What happened to the people of the Roanoke colony in 1587? How are rocks mysteriously moving themselves in California's Death Valley? These mysterious questions and others have gone unanswered for many years. Enter the world of the unexplained and explore mysterious places, unsolved crimes, strange historical events, and oddities in nature from around the globe. Book jacket.