Heather Ewart travels to Strahan in Tasmania, a tiny coastal community in one of the oldest and most spectacular wilderness landscapes, a place of world heritage beauty and an open library of stories. (Season Final)

As the ABC celebrates its 90th year, Heather Ewart takes a look at the evolution of the great Australian road trip, and revisits some of the very best she's taken on Back Roads.

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.