reynisdrangar basalt sea stacks on the reynisfjara black sand beach, iceland

atlantic basalt beach black sand cliff coast coastal coastline column crush europe formation gravel haidrangur iceland icelandic landdrangur landscape langsamur mountain mydral myrdal nature ocean petrified pillar reynisdrangar reynisfjall reynisfjara rock sea seascape ship shore skessudrangur sneaker sneaky south stack stone tourism travel troll vik volcanic water wave wind