Columnar basalts

river in Sicily, Italy, the ancient Akesines/Asines

formation of dark-colored, fine-grained, non-granitic intrusive or extrusive igneous rock

gorge in Armenia

geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular array of polygonal prisms, or columns

island group

island in Karnataka, India

protected area in Czech Republic

Cape on Kunashir Island, Russia

interlocking basalt columns in Hidalgo, Mexico

national park in Australia

lake in Israel

Columnar basalts