Giant's Causeway, UNESCO World Heritage In Northern Ireland.

Antrim plateau Basalt polygons Benandonner Causeway Coastal Causeway basalts Country Antrim Finn McCool Fionn mac Cumhaill Giant's Causeway Giants Giant’s Organ Ireland Irish Irish culture Irish giant Irish legend Irish myth National Trust Natural Sciences North sea Northern Ireland Ocean Port Ganny Port Noffer Scottish giant Scottish legend Unesco ancient past art attraction basalt basalt stone columns cliffs earth sciences erosion geological geologists geology hexagonal-shaped stones hidden gem hiker human interest landscape lava lower Basalt lavas molten lava natural columns natural site nature petrified sea sea coast sea level stones tourism tourists volcanic eruptions walking world heritage