Curious Rock Formation of Giant's Causeway in Ireland
causeway curious formation giant's ireland rock TravelThe Giant's Causeway in northeast coast of Northern Ireland, is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic eruption. The tops of the columns form stepping stones that lead from the cliff foot and disappear under the sea. Most of the columns are hexagonal, although there are also some with four, five, seven and eight sides.