Join host Emily Graslie on the road for a fun and fascinating journey around the Dakotas, Montana, Wyoming and Nebraska to explore 2.5 billion years of Earth's history. Each of the three episodes examines different eras in time, focusing on the geology and ecology of prehistoric environments to discover what the landscape may have resembled millions, even billions, of years ago. On this immersive adventure, Graslie, Chief Curiosity Correspondent at the Field Museum in Chicago and YouTube sensation, uncovers the geologic history of North America, helping scientists dig up dinosaurs and other extraordinary creatures. With her trademark sense of adventure and wit, Graslie brings extinct world's to life, and seeks to better understand our planet's past and what new discoveries might mean for its future.