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The Hexagons, Giant’s Causeway

The following are 40,000 interlocking basalt columns. It was the result of an ancient volcanic eruption. Located in Northern Ireland, it was declared a World Heritage Site by UNESCO in 1986.

Fingal’s Cave | ©Darby Sawchuk (Staffa island, Scotland)

Staffa is the stuff of legend, an unspoilt and uninhabited island in the Inner Hebrides of Scotland, best known for its magnificent basalt columns and spectacular sea caves.

The most famous of these is Fingal’s Cave, also known as An Uamh Binn (Cave of Melody). It has a unique, cathedral-like structure and its hexagonal columns are similar to those of the Giant’s Causeway in Ireland.

Fingal’s Cave was immortalized by Mendelssohn in his Hebrides Overture, after he visited the island in 1829, and in a famous painting by the artist J M W Turner.

Reference: [1]