tourists explore basalt columns at giant causeway, with lush green hills and misty bay in view

atlantic basalt basaltic bay causeway cliffs clouds coastal coastline columns erosion famous formation geological geology giants green heritage hills historic iconic ireland landmark landscape mist misty moody natural nature northern ocean outdoors overcast peaceful rugged scenic sea shoreline tidal tourism tourists tranquil travel volcanic wild explore giant#39aph39#s surrounded lush calm weather adds beauty giant view