Dingoes once ravaged Dave Graham's vast sheep flocks in outback Queensland.
Dave Graham once hated dingos but at the same time he built up an unrivalled knowledge.
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.
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.
Richard Smith looks at the birth of the solar system to the modern world.