This book constitutes the post-conference proceedings of the First International Conference on Emerging Technologies and the Digital Transformation of Museums and Heritage Sites, RISE IMET 2020, held in Nicosia, Cyprus, in June 2021*. The 23 revised full papers were carefully reviewed and selected from 38 submissions. The papers are organized in the following topical sections: digital curation and visitor engagement in museums and heritage sites; VR, AR, MR, mobile applications and gamification in museums and heritage sites; digital storytelling and embodied characters for the interpretation of cultural heritage; emerging technologies, difficult heritage and affective practices; participatory approaches, crowdsourcing and new technologies; digitization, documentation and digital representation of cultural heritage. * The conference was held virtually due to the COVID-19 pandemic.