This research addresses the understanding of ideas related to the concepts of interdisciplinarity and transdisciplinarity. It provides information about the values and cultural goods, both material and immaterial, of local, national, and universal significance that have been developed throughout history. It covers aspects of presenting, researching, and leveraging cultural heritage in history lessons, including examples of how cultural heritage is applied, various tasks for learning cultural content, and models of interdisciplinary integration within various subjects in line with the national curriculum for World History and Romanian History. Additionally, it explores these concepts within non-formal activities from a transdisciplinary perspective.