Fremantle Prison is one of Western Australia's most fascinating and significant cultural attractions.The history of Fremantle Prison dates back to the early beginnings of Western Australia and its role in the development of this State is unparalleled. It is the largest convict built structure in Western Australia and the most intact convict establishment in the nation. It is now a public museum, managed by the Government of Western Australia with daily and nightly tours being operated. Some tours include information about the possible existence of ghosts within the prison. There are also tours of the flooded tunnels and aqueducts under the prison.