Four passes to the Arizona Museum of Natural History.

Explore Arizona and the Southwest from the creation of the earth 4.5 billion years ago to the present. See the origins of life on earth, meteorites and minerals. In Dinosaur Hall, discover some of the biggest dinosaurs that ever lived, and on Dinosaur Mountain see how some appeared and sounded in a natural context. In a Walk through Time, explore ancient Arizona’s Paleozoic Seas, Triassic Petrified Forest, monsters of the Cretaceous Seas, and the first animals to fly.