Ancient humans have left their marks of civilization around the world. There are many incredible ruins to see, from massive cliffside dwellings to temples and tombs. This book examines some of the amazing remains of ancient civilizations. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.