Neil Oliver meets the residents of Melbourne's historic beach huts, and explores the beacon that helped birth a nation at Cape Otway.

Xanthe Mallett dives for clues to solve the mystery behind a tragic shipwreck that marked the end of an era. Meanwhile, Brendan Moar uncovers the history of the Great Ocean Road, and, armed with his pick, grasps the challenges of building this now world-famous coastal road in the 1920s.

Emma Johnston dives in to hunt for a delicate seadragon, and discovers the tragic tale of an artist captivated by its vivid beauty. Tim Flannery scours the water for evidence of a marine mega fauna that roamed the ancestral Port Philip Bay, while Miriam Corowa discovers why the coast at Bells Beach keeps pumping out perfect surfing waves. Show less