Explore billions of years of North American history to see how our amazing continent came to take the shape it is today. Trek to Gooseberry Falls to search for evidence of the continent's violent, volcanic past. Travel to Monument Rocks to unearth the remains of fish that once lived in a vast inland sea that covered the Midwest. Want to know what happened to all the dinosaurs? Find clues in the Hell Creek Formations of North Dakota. Visit locations across the continent and zoom into stunning high-resolution images, and watch dramatic videos that show geological forces in action.