Guest presenter Poh Ling Yeow explores a remote outpost connected by their love of opal but also each other. Coober Pedy in SA has dust, tumbleweeds, no trees and a lunar-like landscape but it attracts people from everywhere.

Heather Ewart visits a town at the centre of the richest gold escort heist in Australian history and discovers where its real treasure lies. She also has a crack at driving a horse-drawn plough in this rich, farming country.