In modern architecture, the issue of the truth and lie can be considered in several aspects (form, idea, material, etc.), also in terms of beauty and aesthetics. The purpose of this article is to analyse some works of architecture in identified categories of aesthetics and to refer them to the issue of the truth. As the research methods the author used the analytical method, critical discussion and the case study. The result of the research is a certain image of contemporary architecture in the context of aesthetics categories, the truth and the matter of idea.