Megalithic refers to anything related to or characteristic of megaliths—large stones used in prehistoric construction. Megalithic structures include megalithic tombs, stone circles, menhirs, and other monumental stone arrangements created by ancient societies. These structures often served as burial sites, places of worship, and markers for celestial events. Megalithic architecture showcases the technical knowledge and cultural significance of early human civilizations, and they are found in various regions around the world, from Europe to Asia and the Americas. The study of megalithic sites is essential for gaining insights into the social, religious, and astronomical practices of our ancestors and appreciating the ancient engineering feats that continue to captivate us today.