This chapter provides a holistic understanding of memory and the tourism-memory nexus. This chapter begins with an overview of what memory is and the history of research on it. Following this, the chapter outlines key memory-related themes in cognitive psychology. Next, the implications of the tourism-memory nexus for research on memorable tourism experiences are discussed. It provides a critical analysis of the research which examines tourism and memory from the viewpoint of cognitive psychology. The chapter concludes with an outline of key avenues for further research in order to delve into tourism-memory nexus.