Take a walk through time at the Arizona Museum of Natural History. From the origins of the universe, the formation of rocks and minerals, to the origins of life, explore Paleozoic Seas, Mammal-like Reptiles, Triassic Petrified Forests and Wetlands, Cretaceous Seas, and First Flight!

Origins of the Universe
In this first gallery of the Walk through Time, explore the origins of the universe, galaxies, comets, asteroids and the solar system. See and touch several meteorites, including a replica of the Tucson Meteorite and a piece of the Canyon Diablo Meteorite, which created Meteor Crater when it struck the earth in what is now Arizona.

Geology Hall: Rocks, Minerals & Caves
In the Geology Hall, discover the difference between rocks and minerals. Learn how the three types of rocks, sedimentary, igneous and metamorphic, are formed. Discover the essential minerals and see blue and green copper minerals and red and orange lead minerals. Touch a drusy chrysocolla boulder and quartz crystals! Learn all about caves.