Torre d'en Galmes, a Talayotic site on the island of Menorca, Balearic Islands, Spain, Mediterranean, Europe

Stonehenge, a prehistoric megalithic structure on Salisbury Plain, United Kingdom

Stonehenge, a prehistoric megalithic structure on Salisbury Plain, United Kingdom

Trethevy Quoit Megalithic Stone Tomb, Dolmen, Portal Tomb, House of the Giant, Evening Sky, Tremar Coombe, Bodmin Moor, Cornwall, England, United Kingdom, Europe

Hagar Qim megalithic temple, Unesco World Heritage Site, Malta

Egyptian pyramid in Giza. Architectural heritage of ancient Egyptian civilization. Ruins and statues of ancient Egypt

Mnajdra megalithic temple, Unesco World Heritage Site, Malta

Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta

Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta

Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta

Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta

Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta

Beaghmore In Co. Tyrone, Ireland

Ireland, Stone Circle

Lauragh, Ring Of Beara. County Kerry, Ireland, Stone Circle

Kealkill, County Cork, Ireland, Recumbent Stone Circle

Beaghmore Stone Circles, County Tyrone, Ireland