This chapter presents some theoretical developments to understand the way people remember and forget their collective past by their interactions with the physical environment. Mainly such developments come from the social representations theory and developmental psychology. To this aim we analyze findings from two different studies. On the one hand, we analyze a study about the sociogenesis of the social representations of an historical process describing the narrative expressed by different symbolical resources (monuments, names of streets, commemorative objects, and museum exhibitions). On the other hand, we consider some findings form a study on remembering by drawing maps, to show that individuals are not drawing elements which they are...