![](https://img-trans.suimoo.com/uploads/image/20230430/1ca9ba7f6a8b458b9cef90a4805da24b.jpg)
Giant's Causeway: instant contact between hot lava and cold water produces a spectacle
The Giant's Causeway on the Atlantic coast about 80 km northwest of Belfast is Northern Ireland's most prestigious tourist attraction and a World Heritage Site.