Presents detailed review of the main values inherent to architectural monuments and draws a distinction between their sources and characteristics. Author analyzes six main values: practical, sacred, historical, artistic, scientific, and urban. The combination of some or all values can give the monument ability to provide emotional impact on the viewer which is examined separately. The sources of this ability can be: an artistic image, appearance (patina, later historical layers), authentic material, relation to the history, as well as the ambience of the building. Each value is determined by a number of features and has a diapason. Particular value is more or less expressed in different monuments, has different quality and potentially can be increased