Giant Causeway

UK (Northern Ireland)Ancient40,000 columns

LocationUK (Northern Ireland)

BuiltAncient

Size40,000 columns

Built ByNatural

About Giant Causeway

Over 40,000 interlocking basalt columns. Most are hexagonal. Formed 60 million years ago by volcanic activity. Legend says giant Finn McCool built it. UNESCO World Heritage Site.

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