This book presents the proceedings of the 18th International Conference on Graphic Design in Architecture, EGA 2020, focusing on heritage - including architectural and graphic heritage as well as the graphics of heritage. The third of three volumes, this book discusses topics related to mapping, cartography and landscape, as well as innovative education methods, particularly in the context of teaching architectural heritage. It covers historical cartography and new cartographies, as well as methods for representing the landscape, and reports on different learning methods and practices, including classroom methods but also those involving more active participation and multidisciplinary and collaborative production. Given its scope, this book will appeal cartographers, designers and teachers, providing them with extensive information on innovative methodologies and a source of inspiration for their future work.