EntityQ3748475· pop 9· linked from 292 articlesFort DenisonSign in to saveheritage-listed former penal site and defensive facility in Sydney Harbour, AustraliaConnectionsfortificationEntityDharugEntityNeutral BayEntityRussiaCountryAustraliaCountryWorld War IIConceptSydneyCityshipEntitygeographic coordinate systemEntityBritish EmpireEntityNew South WalesEntityTitanicConceptFicus caricaEntityIMDbEntitylighthouseEntitynational parkEntityWayback MachineEntityCrimean WarEntitySydney Opera HouseEntitysandstoneEntityCategories1857 establishments in AustraliaBuildings and structures in SydneyCrimean WarFormer military installations in New South WalesForts in New South WalesIslands of SydneyLandmarks in SydneyMartello towersMilitary and war museums in AustraliaMilitary installations established in 1857Museums in SydneyNavigational aids