All over the world and for thousands of years, megaliths have been significant cultural elements, as well as sacred sites and places of power. Nowadays megaliths act as a strong magnet for tourists, who appreciate their history, esoterica and magic. Some megaliths were used for astronomical observations, so vital to maintain the continuity of harvest and crop. Other megalithic constructions were erected for funerary purposes, and served as individual or collective burial chambers. Megalithic structures are usually referred to as belonging to the European Neolithic but it has to be stressed that some megalithic constructions date back to the Bronze Age, and some were also built on other continents. Megaliths are a vital element of landscape ...