The Giant Causeway is an area of about 40,000 interlocking columns made from basalt. The columns have an uncommon hexagonal shape. which is the result of an ancient volcanic eruption. It is located in the north coast of Northern Ireland, near the town of Bushmills.
It was declared as the 4th greatest natural wonder in the United Kingdom. UNESCO declared it as a World Heritage site in 1986. Since then, people from all over the world have come to Northern Ireland to learn more about this fascinating natural wonder.