There are very few geocaches you want to visit again and again. This is one of those caches. Gawler Fort Knox was published on 3rd May 2015. In the short time since publication the cache has acquired 379 finds logged, being awarded a massive 250 Favourite Points. Note that this post does contain spoilers!
“Mayday! Mayday! We're going down!!!” The first few words in the cache description sound ominous.