In the pristine Kimberley of Western Australia, Neil Oliver discovers Broome’s dark pearling history and the delicate science of their cultivation. Tim Flannery walks in primeval tracks along the legendary Dinosaur Coast. Xanthe Mallett explores a unique maritime war grave. Brendan Moar learns the art of Indigenous raft making and Emma Johnston investigates the lush, protected habitat of migratory shorebirds. Neil Oliver wrestles the southern hemisphere’s biggest tides at the surging Horizontal Falls, and finally experiences the dreaming stories through a little sacred maintenance on some ancient rock art at Freshwater Cove.