If it weren't for a series of cataclysmic events, a comet impact being first on the list, our planet could well still be the domain of dinosaurs. Following Pr Rodolfo Coria, a world-renowned Argentinian paleontologist, we visit sites of major discoveries he has contributed to in Patagonia and travel back in time to see these amazing beasts come to life in 3D...

Watch Dinosaurs: Giants of Patagonia (2007) Online