Dr Richard Smith takes us from the birth of the solar system to the modern world, charting Australia's rich geological history.
Richard Smith tells an Australian story that spans 4.6 million years.
Watch a clip from the first episode of Outback Rangers.
Watch the trailer for Outback Rangers.
Australian Brolga rescues baby kangaroos from the roadside and nurses them back to health.
Isolation from the rest of the world means Australia has some of the weirdest animals.
Revel in the very best Australia has to offer with this gallery.
Photos taken from the Nature's Miracle episode of Great Barrier Reef.
Photos taken from the Reef to Rainforest episode of Great Barrier Reef.
Demoiselle cranes negotiate a Himalayan pass while bar-headed geese fly five miles above.