Today, Digger Rex is in the Southern Patagonia region of Argentina, a land where dinosaurs once roamed and modern wildlife thrives. Get ready to DIG, DIG, DIG as Digger Rex uncovers the enormous femur of the mighty Dreadnoughtus, a dinosaur that lived over 77 million years ago! Learn about this colossal creature, stretching longer than two school buses and weighing more than a Boeing 747.