Here's our itinerary, in brief:
August 25-27: Fly to Australia.
August 27-31: Melbourne, plus at least one day trip out of the city.
September 1-6: Aussiecon 4 (68th World Science Fiction Convention), also in Melbourne.
September 7-9: Mungo Outback Journey at Lake Mungo in the Willandra Lakes World Heritage Area. Kangaroos! Emus! Cockatoos!
September 10-13: Adelaide.
September 14-16: Lady Elliot Island Resort on the Great Barrier Reef. Snorkeling! Manta rays! Sea turtles!
September 17: Hervey Bay. Whales!
September 18-21: Sydney.
September 22: Fly home.