The Giant’s Causeway in Northern Ireland is something I’ve long wanted to visit and last week my wish was granted. Geologically, it comprises over 40,000 interlocking basalt columns of different sizes created over 60 million years ago as a result of intense volcanic activity (the temperature needed to create them is between 840ºC and 890ºC). As the molten basalt cool, pseudo-crystals form creating the mainly hexagonal columns we see today. It was granted World Heritage Site status by UNESCO in 1986.
The Giant’s Causeway from the east side