Join photographer Mark Gamba and writer Tom Clynes as they dive, raft, hike, kayak, and conquer Australia one far-flung corner at a time.

Follow National Geographic photographer Annie Griffiths Belt on a three-day tour of Australia.

Australia’s Great Barrier Reef—the largest structure on the planet built by living organisms—hosts a carnival of sea life. Read article excerpt and see photo gallery.

A bright and cheerful city, see why these Australians are so happy in Sydney.

Enjoy bush-walking, spear-throwing, pool-hopping, and more while trekking through Australia's north country.