The article specifies the stages of the architectural landscape formation of the Tsarskoye Selo palaces and parks ensemble; the addition features of the Catherine, Alexander and Babolovsky parks and their transfor-mation phases. The chronological period of the formation of the ensemble was completed in 1917, and after the October Revolution, the suburban imperial residence changed its functional purpose and status absolutely. The feature of the architectural landscape exploring in this article is that the style-forming objects of the volume-spatial composition are palaces and pavilions; the environment-forming objects are landscape gardening art. During all the history of the ensemble formation, all subsequent changes, despite of the variety of styles, supplemented and evolved the scenario specified in the first stage. The current stage of restoration and revitalization of the planning structure and volumetric-spatial composition and the evolution of its conservation methods was considered and analysed.