13819293 - The polygonal masonry fortification walls of Segni, whit the Porta Saracena, Segni, province of Rome, Lazio, Italy, Europe13819294 - The polygonal masonry fortification walls of Segni, whit the Porta Saracena, Segni, province of Rome, Lazio, Italy, Europe10235454 - Close-up of polygonal patch70921690 - Polygonal basalt lava rock columns of the Giant's Causeway on the north coast of County Antrim, Northern Ireland, UK.70238454 - Caernarfon, Castle, Edward 1st largest castle in Wales, The Queens gate, polygonal towers, banded masonry, restaured by sir Llewelyn Turner, 19th century, Gwynedd, Wales, UK70383346 - Staffa tour boat and polygonal basalt, Am Buachaille rocks, Staffa, Scotland, United Kingdom71041069 - Orford Castle with its unique polygonal tower keep, dating from the 12th century, Orford, Suffolk, England, United Kingdom, Europe13889761 - Israel, Tranquil scene of Columnar Basalt; Yehudiya Nature Reserve13779859 - Row of matching townhouses, Toronto, Ontario, Canada13884766 - Modern sculpture, art installation of Three Vertical Squares Diagonal, balancing on their corners, standing in a field on Naoshima Island, an island in the Seto Inland Sea that is known for its modern art museums, architecture and sculptures. Much of Naoshima's art was installed by the Benesse Corporation, which oversees art museums, installations and sculptures both on Naoshima and on neighboring islands; Naoshima Island, Seto Inland Sea, Japan13823125 - megalithic or cyclopean walls at the Parco dell'Olivo in Venafro. Venafro, Isernia province, Molise, Italy, Europe
