The purpose of this thesis is to elaborate the subject of modern reconstruction and revitalisation of Maksimir Park which is the most valuable Croatian monument of landscape architecture. After a brief historical overview of landscape architecture comes the historic evolution of Maksimir park, from the time of its founders until today, describing its architectural objects, sculpture, horticulture, etc. The next chapters are about the general principles of protection and renewal of landscape architecture, certain methods that are applied and renewal of landscape architecture in Croatia. This is followed by a chapter that presents in more detail the reconstruction of Maksimir Park, a historical overview of all previous attempts of restoration, a review of the lost content and the problems that Maksimir has been facing. Regarding the restoration projects that were carried out, the emphasis was on Vidikovac, Paviljon Jeka, Švicarska kuća, Napuljski ribar and the horticultural restoration of the park. The last chapter deals with contemporary projects: the modernization of the Zoo, the project ''Gradski prozori u prirodu'' which is still underway, and the most recent renovation of the Bliznec bridge. The conclusion states the significance of a monument of landscape architecture, the importance of maintenance, protection and restoration, investment in projects, the causes of the deterioration of Maksimir Park and a brief overview of its restoration.