In 1885 concerned British colonists thought an invasion by Russia was imminent. To ease their fears, they built Bare Island Fort to protect Botany Bay (then known as 'Sydney's back door'). Since then, Bare Island Fort in Kamay Botany Bay National Park has developed a fascinating history. It's been an object of military pride. It's also been a place of shocking scandals and hidden secrets. In recent years it's even been the location for some great action sequences in a blockbuster movie. Join this guided tour of the fort and find out much more ... including the name of that movie.