giant's causeway's amphitheatre headland shows dramatic cliffs and volcanic rock layers reaching the atlantic

amphitheatre atlantic basalt basaltic causeway cliffs cliffside coastal dramatic environment erosion formations geological geology giant headland heritage ireland irish landscape layers moody natural nature northern ocean outdoors path promontory remote rock rugged scenic sea seaside shoreline surface terrain tourism volcanic waves weathered wild wilderness giant#39aph39#s features reaching into causeway#39aph39#s shows