unique geological formations columnar basalt and basalt rosettes at vesturdalur, asbyrgi, with dramatic sky in the sunset, northea

asbyrgi background basalt beautiful bright canyon cliff column erosion formation formations geological geology gorge hexagon hexagonal hiking hljodaklettar iceland icelandic jokulsa jokulsargljufur landmark landscape lava national natural nature north northern panorama park pink rock sculpture stone summer sun sunrise sunset texture travel unique valley vatnajokull vesturdalur volcanic volcano wilderness wonder