The icy expanses of Antarctica were an unforgiving frontier for early explorers. Among them was Sir Douglas Mawson, who faced frostbite, exposure and exhaustion in his journeys across the frozen continent. He passed some of his time writing love letters to his wife back home. But how did he stumble on a meteorite in all that ice and snow?

Our new podcast series reveals the hidden stories behind some of the world’s greatest wonders. Join journalist Charles Wooley and Australian Museum Director and CEO Kim McKay as they explore the astounding objects and specimens of the 200 Treasures of the Australian Museum exhibition, housed in the nation’s oldest museum gallery.