The origins and nature of architecture; The formative influence of architectural forms; The history of architecture in the light of mankind's spiritual evolution; A new architecture as a means of uniting with spiritual forces; Art and architecture as manifestations of spiritual realities; Metamorphosis in architecture; Aspects of a new architecture; Rudolf Steiner on the first Goetheanum building; The second Goetheanum building; The architecture of a community in Dornach; The temple is the human being; The restoration of the lost temple.