Basalt formation in Johnson Canyon east of the Bainbridge Steel Dam Lake near Ash Fork, Kaibab National Forest, Arizona, United States of America

Dry stone wall and towering cliffs of basalt lava over Jurassic sediments at the Quiraing, a famous hike and scenic attraction in the far north east of the island, Quiraing, Staffin, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Stuolagil Canyon, turquoise river between basalt columns, Egilsstadir, Iceland, Europe

Tourist standing by the river in Stuolagil Canyon, turquoise blue river between basalt columns, Egilsstadir, Iceland, Europe

Stuolagil Canyon, turquoise river between basalt columns, Egilsstadir, Iceland, Europe

Dunluce Castle, a now-ruined medieval castle in Northern Ireland, Bushmills, County Antrim, Ireland

Aloe In Front Of A Basalt Rock Wall, Lagoa, Sao Miguel, Azores, Portugal

Gerduberg basalt columns in Snaefellsnes; Iceland