Planet Earth

"Caves" takes you on a tour of the three most common caves found on the planet; solution caves, lava tubes, and sea caves. Learn about how each of these caves are formed as well as the amazing formations that are created within them by water and minerals including stalagmites, stalactites, columns, draperies, and flowstones. In addition, readers will find out about the rare animals that call caves home and how living in a cave affects them.