I went to South Australia recently to go to Woomera for some asri launches. Here's what I saw on my trip up
The "missile park" at Woomera had some interesting hardware from the old days
Here's some details of the asri launches
I also saw launch area 8, where they launched the first Australian satellite. Here's some details :
There was also the quite spectacular site where some large European rockets were launched : Launch Area 6a