There are unexpected encounters when colourful South Pacific and traditional cultures kick up the red dust of the Pilbara, as the team head to the town of Tom Price in Western Australia.

Guest presenter Joe O'Brien taps into his inner Bear Grylls in this Back Roads adventure to Cradle Mountain in the wilds of the Tasmanian Highlands.

Heather Ewart finds there are many surprises in the tiny town of Boulia on the edge of the Simpson Desert about 1700km from Brisbane.