Whilst the area does needs some TLC, it is an interesting historical site and if you take a few minutes and walk around the big structure you will be rewarded with some great views over the city and coast.
BTW the other structure nearby is a lighthouse.
If you wish to make any comments please post a log or email me. Please log your find in the cache and on Geocaching.com. Please no hints or multiple logs, but please do leave a photo or two. Phone a friend is allowed, but hopefully not required.
If you are interested in geocaching in Australia, please check out Geocaching Australia and the related forums.