Area of about forty thousand interlocking basalt columns on…

Area of about forty thousand interlocking basalt columns on the coast of County Antrim in Northern Ireland, formed by intense volcanic activity some fifty to sixty million years ago. Most are hexagonal, and some rise like stepping stones from the sea. According to legend, the Irish hero Finn McCool built it as a path across the water to confront a Scottish rival. It became a World Heritage Site in 1986.

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