Journey back in time…way, way back…to a world 66 million years ago. Embark on a thrilling expedition with paleontologist and National Geographic Explorer Dr. Lindsay Zanno as she uncovers the secrets of North America’s badlands, hunting for the evolutionary clues behind the most fearsome predator to ever walk the earth: T. rex.
With its gigantic body, razor-sharp teeth, and jaws powerful enough to crush a car, the T. rex ruled prehistoric North America. But how did it become the ultimate apex predator? Dr. Zanno is on the hunt for answers, discovering new species along the way—including the ancient ancestors of the mighty T. rex. Unearth the fascinating story of how a Cretaceous climate crisis forged the most iconic and terrifying creature to ever roam the planet.