Traditional building methods ? such as those used in pueblos, timbered houses, or the Japanese minka ? exist in fascinating diversity and create the face of a region. However, as a result of globalization they have been marginalized in many places. In the fastest developing countries in particular, a wealth of experience that goes back hundreds of years is being irretrievably lost, even though valuable insights can be gained for modern building. Using the examples of selected domestic buildings from all continents, 30 international experts demonstrate why we can still learn from vernacular architecture; they analyze the cultural context and the adaptation to topographic/climactic conditions, and focus on the local materials used as well as on the construction, the building process, and the necessary maintenance.