Sea cliff nesting sites in the columnar basalt for sea birds such as kittiwake (Rissa tridactyla), Arnarstapi, Iceland

Columnar basalt lava with Fingal's Cave cut into it by sea, Staffa, off west coast of Mull, Inner Hebrides, Scotland, United Kingdom, Europe

Basalt cliffs and rock stack, Halsenifs Hellir Beach, near Vik i Myrdal, South Iceland, Iceland, Polar Regions

Columnar basalt lava at Giant's Causeway, UNESCO World Heritage Site, County Antrim, Northern Ireland, United Kingdom, Europe

Columnar basalt, Vikingbukta (Viking Bay), Scoresbysund, Northeast Greenland, Polar Regions

Jungman Daepo columnar jointed lava formation, Seogwipo, Jeju Island, UNESCO World Heritage Site, South Korea, Asia

Columnar basalt, Vikingbukta (Viking Bay), Scoresbysund, Northeast Greenland, Polar Regions

Columnar basalt, Vikingbukta (Viking Bay), Scoresbysund, Northeast Greenland, Polar Regions

Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

Open tundra and columnar basalt in Brededal, Disko Island, Qeqertarsuaq, Baffin Bay, Greenland, Polar Regions

Hiker in open tundra and columnar basalt in Brededal, Disko Island, Qeqertarsuaq, Baffin Bay, Greenland, Polar Regions

A night blooming columnar cactus from the Genus Cereus at Pouso Allegre, Mato Grosso, Pantanal, Brazil, South America

Stepping stones above perpetually flowing water needed to cross streets and keep the way clear for carts, archaeological site of Pompeii, UNESCO World Heritage Site, province of Naples, Campania, Italy, Europe

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Amazing examples of columnar basalt on the southern coast of Disko Island, Kuannersuit, Greenland, Polar Regions

Arch of columnar basalt on the southern coast of Disko Island, Kuannersuit, Greenland, Polar Regions

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Ben Lomond, Ben Lomond National Park, Tasmania, Australia, Pacific

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Giant seabird colony on the spectacular rock formation of columnar basalt, Skala Rubini (Rubini rock), Franz Josef Land archipelago, Arkhangelsk Oblast, Arctic, Russia, Europe

Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America

Entrance to Fingal's Cave, columnar basalt rock, Island of Staffa, Argyllshire, Inner Hebrides, Scotland, United Kingdom, Europe

Columnar structures, created during cooling of basalt lava, with an intrusion or dyke of darker rock in the foreground, near Bombo Beach, Kiama, south coast, New South Wales, Australia, Pacific

Columnar basalt lava with Fingal's Cave cut into it by sea, Staffa, off west coast of Mull, Inner Hebrides, Scotland, United Kingdom, Europe

Zodiac cruises through a natural arch of columnar basalt on the southern coast of Disko Island, Kuannersuit, Greenland, Polar Regions

Columnar basalt, Vikingbukta (Viking Bay), Scoresbysund, Northeast Greenland, Polar Regions

Columnar basalt, Vikingbukta (Viking Bay), Scoresbysund, Northeast Greenland, Polar Regions

Columnar jointing in Basalt at Vik on Iceland's south coast, Iceland, Polar Regions

Litlifoss waterfall, below Hengifoss, a waterfall surrounded by columnar jointing in the Basalt rock, near Egilsstadir, Iceland, Polar Regions

Zodiac cruising among columnar basalt in Hvalv�ï�¿�½�Â�¡k Bay on the northern coast of Iceland

Zodiac cruising among columnar basalt in Hvalv�ï�¿�½�Â�¡k Bay on the northern coast of Iceland

Zodiac cruising among columnar basalt in Hvalv�ï�¿�½�Â�¡k Bay on the northern coast of Iceland

Zodiac cruising among columnar basalt in Hvalv�ï�¿�½�Â�¡k Bay on the northern coast of Iceland

Zodiac cruising among columnar basalt in Hvalv�ï�¿�½�Â�¡k Bay on the northern coast of Iceland

Giant Saguaro Cactus at sunset; Saguaro National Park, Arizona.

Wall of columnar basalt with waterfall Bridal Veil Falls, tropical vegetation, Pakoka River, Makomako, Waikato, North Island, New Zealand, Oceania

Aerial view of a single courtyard with an avenue of columnar cypresses (Cupressus sempervirens) and hills near Siena, Tuscany, Italy, Europe

Columnar basalt near the town of Hofsos, Iceland

Volcanic underwater bottoms. True seamounts can be seen in the image, a natural monument made of basaltic columns called a columnar disjunction. The highest point is about 15 meters below the surface of the Atlantic Ocean and drops vertically to more than 40 meters at its deepest point. The place is known as La Rapadura on the coast of Santa Úrsula, north of the island of Tenerife. Seabed of the Canary Islands.

Volcanic underwater beds, Tenerife. The image shows the top of an underwater mountain formed by basaltic columns (columnar disjunction. Canary Islands.

Volcanic underwater beds, Tenerife. The image shows the top of an underwater mountain formed by basaltic columns;columnar disjunction. Canary Islands.

Volcanic underwater bottoms. True seamounts can be seen in the image, a natural monument made of basaltic columns called a columnar disjunction. The highest point is about 15 meters below the surface of the Atlantic Ocean and drops vertically to more than 40 meters at its deepest point. The place is known as La Rapadura on the coast of Santa Úrsula, north of the island of Tenerife. Seabed of the Canary Islands.

Woman harvesting apples. Early columnar variety 'Chinon', with purple skin.

Woman harvesting apples. Early columnar variety 'Chinon', with purple skin.

Atacama columnar cactus (Echinopsis atacamensis subsp. pasacanaor or Trichocereus pasacana), Isla del Pescado, Salar d'Uyuni, Altiplano, Bolivia.

Woman harvesting apples. Early columnar variety 'Chinon', with purple skin.