The problems of protected natural areas is analyzed in this article. The reasons that hinder the ecological tourism development are marked. The authors pay special attention to the quality aspects of the architectural environment. The results of a comprehensive analysis of international experience of architectural design and beautification of public spaces set out on the examples of the national parks. The typological system of structuring a basic nomenclature of facilities which are necessary for scientific research and tourist services is proposed. The need for the diversification of the functional composition and composite solutions is demonstrated on the examples of the visitor centers. Some features of the development of infrastructure for ecotourism environment of the National Park «Samarskaya Luka» are considered.