The Arizona Museum of Natural History is a great place to learn about prehistoric Arizona. Discover Paleozoic seas and a Triassic petrified forest. Marvel at what Arizona once looked like. View some of the largest dinosaurs to have roamed the earth. Learn about North America's first inhabitants, Paleoindian hunter and gatherers, and Arizona's first settlers, the Hohokam people. Travel from Spanish colonial times to statehood and discover fun facts about Arizona.