A megalith is a large stone that has been used to construct a prehistoric structure or monument, either alone or together with other stones. There are over 35,000 in Europe alone, located widely from Sweden to the Mediterranean sea.
Dolmen at Ganghwa Island, South Korea (c. 300 BC)
Megalithic Batu Brak in Batu Brak District, West Lampung Regency, Lampung Province, Indonesia (c. 2100 BC)
Megalithic grave Harhoog in Keitum, Sylt, Germany (c. 3000 BC)
The largest megalith of the ancient world, found in Baalbek, Lebanon, was quarried during the Roman Empire
Sardinia is the second-largest island in the Mediterranean Sea, after Sicily, and one of the twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia and immediately south of the French island of Corsica.
Strait of Bonifacio. The southern coast of Corsica can be seen from Santa Teresa Gallura.