Jo reports they had great fun seeing the sightsand hearing the sounds of Australia.
Some evidence is offered here:
This is one-of-many pure, white beaches on one of the Whitsunday Islands

Even if it were worth only one word, this photo would tell you where they were.

A 2-person camper van they rented to tour Australia during their one month stay there.

This is a view of the area around the Sydney Opera House.