Which mountain is more than 5 miles high? How was the mile-deep Grand Canyon formed? Where in the world can you visit a giant rock that's taller than the Chrysler Building or an entire city carved into rock? Packed with fascinating facts and plenty of rock science, this book takes readers on a journey around the world to discover intriguing rock structures made by people as well as Earth's most amazing natural rock formations. Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. From stunning photographs to high-interest text, this book makes learning about Earth's most famous rocky places a lively, engaging experience.