The object of the study consists of the architectural and artistic ensemble of the “Worker and Kolkoz Woman” pavilion created for the Paris International Exhibition in 1937 by architect B.M. Iofan and sculptor V.I. Mukhina as a part of a grandiose architectural idea declaring the aspiration for the future Soviet state and a sacred symbol of communist ideology. The study reveals that the monument was aimed at carrying a more substantial ideological message than just an architectural structure. The study of the sites proposed for the installation of sculptures for prominent figures in politics, science and art, monuments perpetuating the memorable events of Russian history and mankind shows that they constitute an important historical response to the demands by authorities at various levels for artistic solutions to contemporaneous socio-political problems. The subject of the study included the motivating factors in the selection of placement sites for the outstanding work of B.M. Iofan and V.I. Mukhina in the capital city. The article considers the scientific approach to the selection of sites for the placement of significant urban monuments on the basis of historical, cultural and architectural studies following the vector of spatial planning laid down in the General Plan for the Development of the City. The study combines general scientific methods of research (analysis, synthesis) with a number of specialised methods, such as system-structural, formal-logical, graphical virtual reconstruc-tion, complex research and others. Methodological approaches for studying the consequences of non-implementation of urban planning concepts and projects were developed. The result of the research is pre-sented by the proprietary development of approaches to adequate methods for determining the potential im-pact of major unimplemented urban planning projects on the formation of the capital of Russia on the exam-ple of the “Worker and Kolkoz Woman” pavilion.