The IUAES 2021 Yucatán congress focuses on heritage(s). The field of heritage is a one where social, cultural, religious, ecological and political topics are articulated in complex, productive and even conflicting manners at different levels that connect local, regional, national and global issues. The different types of heritage (tangible, natural, bio-cultural, intangible, industrial and post-industrial, among others) – linked to the concepts of culture, identity and nature – are social constructions whose understanding and problematization require interdisciplinary and multidisciplinary approaches in order to confront the knowledge and views of the sciences that have been devoted to this topic.