860-290890 - Sentinel, Andy Goldsworthy, 1999, Col du Defens, Alpes de haute Provence, France "The work Sentinels, which is part of the Refuge d'art project, is a journey through the Dignois region, at the foot of the Southern Alps. Such a project associates art, nature and the territory. The three Sentinels are stone cairns, one for each of the three valleys of the Haute-Provence Geological Reserve.

1350-5474 - Rocky beach and village at dusk. Trengandin beach. Noja, Cantabria. Spain, Europe.

1350-5530 - Coastal landscape. La Ballena. Sonabia (Castro Urdiales) Cantabria, Spain, Europe.

1350-5475 - Rocky beach and village at dusk. Trengandin beach. Noja, Cantabria. Spain, Europe.

1350-5532 - Galizano bech aerial view. Ribamontan al Mar. Cantabria, Spain, Europe.

1350-5473 - Rocky beach and village at dusk. Trengandin beach. Noja, Cantabria. Spain, Europe.

1350-5531 - Coastal landscape. Sonabia (Castro Urdiales) Cantabria, Spain, Europe.

1350-5526 - Espigￃﾼete peak view from Bistruey mountain area. Cantabria, Spain, Europe,

1350-4697 - Strokkur geyser erupting, in the Geysir hot springs area, Haukadalur geothermal area, Southwest Iceland

1350-4730 - Geysir name carved in stone, Geysir hot springs area, Haukadalur geothermal area, Southwest Iceland

1350-4951 - Strokkur geyser erupting, in the Geysir hot springs area, Haukadalur geothermal area, Southwest Iceland

746-90051 - Gole Alcantara gorge, the natural canyon has been dug over thousands of years by water, a geological and naturalistic spectacle, Sicily, Italy, Messina, Gole Alcantara, Francavilla di Sicilia

746-90063 - Gole Alcantara The natural canyon has been dug over thousands of years by water, a geological and naturalistic spectacle, Unesco, Sicily, Italy, Messina, Gole Alcantara, Francavilla di Sicilia

1350-4942 - Rock formation at Meteora, Thessaly, Greece

1350-4289 - Gorge and river with decidual forest in autumn. Arbayun gorge. Navarre, Spain, Europe.

1350-4288 - Gorge and river with decidual forest in autumn. Arbayun gorge. Navarre, Spain, Europe.

1348-3116 - Carbon Dioxide Hazard Area warning sign around Horseshoe Lake, Inyo National Forest

1348-2770 - Miners working at Potosi silver mines, Department of Potosi, Bolivia, South America

1348-4561 - Richat Structure, Mauritania, True Colour Satellite Image. Richat Structure, Mauritania, true colour satellite image. The Richat structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock. Image taken on 13 January 2003 using LANDSAT data.

1116-50821 - Rock formations in the Siloli Desert and Andes Mountains; Potosi Department, Bolivia

1116-51690 - Sunset at Pura Gede Luhur Batu Ngaus; Bali, Indonesia

1116-51616 - Unique and patterned rock surfaces, Bisti Badlands, Bisti/De-Na-Zin Wilderness, San Juan County; New Mexico, United States of America

1116-50845 - Sunrise over a misty, foggy valley in the Canadian Shield; Dorian, Ontario, Canada

1116-51584 - Symbolic sculptures and karst limestone formations; Ninh Binh, Vietnam

1116-51699 - Pengempos, Areguling Beach at sunset; Lombok, Indonesia

1116-51696 - Drone view of Pengempos, Areguling Beach at sunset; Lombok, Indonesia

1116-51673 - A switchback road leading to the town of Sunland, Washington on the bank of Wanapum Lake on the the Columbia River; Sunland, Washington, United States of America

1116-51316 - Geothermal spot noted for its bubbling pools of mud and steaming fumaroles emitting sulphuric gas; Skutustadahreppur, Northeastern Region, Iceland

1116-51981 - A marker displaying the receding of the Athabasca Glacier in Columbia Icefield; Alberta, Canada

1116-51883 - Killhope Lead Mining Museum; Upper Weardale, County Durham, England

1116-51313 - A rugged rock formation in Southern Iceland; Skaftarhreppur, Southern Region, Iceland

1116-51206 - This female Bullethead Parrotfish (Chlorurus spilurus) turned to reveal its fused teeth which are used to scrape algae from coral heads. It was photographed while scuba diving the Kona coast, the Big Island, Hawaii; Island of Hawaii, Hawaii, United States of America

1116-51617 - Unique rock formations, Bisti Badlands, Bisti/De-Na-Zin Wilderness, San Juan County; New Mexico, United States of America

1116-52059 - Overview of the Palouse Falls surrounded by basalt rock, a remnant of ancient glacial floods and lying on the Palouse River within the Palouse Falls State Park at sunset; Washington, United States of America

1116-50925 - The Twelve Apostles, limestone rock formations along the coast, Great Ocean Road, Port Campbell National Park; Port Campbell, Victoria, Australia

1116-51700 - Pengempos, Areguling Beach at sunset; Lombok, Indonesia

1116-51427 - Milky Way over a rock formation; Tres Cruces, Jujuy Province, Argentina

1116-51693 - Drone view of Pengempos, Areguling Beach at sunset; Lombok Tengah, West Nusa Tenggara, Indonesia

1116-51750 - Sea of Sand, Bromo Tengger Semeru National Park at dawn; Pasuruan, East Java, Indonesia

1116-51745 - Bromo Tengger Semeru National Park at sunrise; Pasuruan, East Java, Indonesia

860-290212 - Les Terres Noires de Robine sur Galabre under the snow. Jurassic (Toarcian) marls rich in organic matter, tender and very sensitive to gullying, colonized mainly by Scots pines and forming remarkable reliefs in the Digne Geological Reserve, Alpes de Haute Provence, France.

860-290211 - Les Terres Noires de Robine sur Galabre under the snow. Jurassic (Toarcian) marls rich in organic matter, tender and very sensitive to gullying, colonized mainly by Scots pines and forming remarkable reliefs in the Digne Geological Reserve, Alpes de Haute Provence, France.

860-290108 - Geological landscape, basaltic organs on the island of Staffa, Scotland

860-290213 - Les Terres Noires de Robine sur Galabre under the snow. Jurassic (Toarcian) marls rich in organic matter, tender and very sensitive to gullying, colonized mainly by Scots pines and forming remarkable reliefs in the Digne Geological Reserve, Alpes de Haute Provence, France.

1350-2761 - Potato fields on small farms near Volcanos National Park, Rwanda

1350-3466 - Balcon de Pilatos area. Urbasa y Andia Natural Park. Navarre, Spain, Europe

1350-2918 - Erta Ale Volcano is a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

1350-2917 - Apocalyptic look scenes as glowing red smoke pours out of Erta Ale Volcano, a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

1350-2733 - Potato fields on small farms near Volcanos National Park, Rwanda

1350-2752 - Park ranger with AK-47 Machine gun, Volcanos National Park, Rwanda

1350-2769 - Sheep grazing in open field with volcanic mountains in the distance, Kinigi, Rwanda

1350-2338 - Cone forest inside the lake, Anhumas Abyss, Bonito, Mato Grosso do Sul, Brazil

1349-978 - Lava Dome, Kilauea, 1969

1349-982 - Kilauea Eruption 2018

1349-980 - Kilauea Eruption 2018

1349-983 - Kilauea Eruption in 2008

1349-974 - Kilauea Eruption 2018

1349-985 - Lava Fountain, 1969

1349-722 - Thaumasia mountains and Coracis Fossae, Mars Express

1349-750 - The Richat Structure, Mauritania, satellite image

1349-986 - Arching Lava Fountain

1349-987 - Mauna Ulu Eruption, 1969

1349-984 - Crowd at Kilauea Eruption,1924

1349-749 - Earthquake ground displacement, Italy, August 2016

1349-934 - Olympus Mons, Mars

1349-977 - Kilauea Eruption 2018

1349-979 - Kilauea Eruption 2018

1349-721 - Thaumasia mountains and Coracis Fossae, Mars Express

1349-975 - Kilauea Eruption 2018

1349-988 - Lava Fountain, 1969

1349-976 - Kilauea Eruption 2018

1116-49208 - Man walking in slot canyon known as Owl Canyon, near Page, Arizona, United States of America

1116-49384 - Acidic pools, mineral formations, salt deposits in the crater of Dallol Volcano, Danakil Depression, Afar Region, Ethiopia

1116-49198 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49197 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49205 - Slot Canyon known as Mountain Sheep Canyon, Page, Arizona, United States of America

1116-49199 - Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49201 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49412 - Antelope Canyon, a slot canyon of Navajo Sandstone, Page, Arizona, United States of America

1116-49679 - Snorkelers getting ready to enter the water from a snorkelling tour boat operated out of Maui, Hawaii. They are located next to the backwall of Molokini Crater which is a volcanic tuff cone, Maui, Hawaii, United States of America

1116-49413 - Black and white image of a fossil slice of pre-historic shells, Canada

1116-49204 - Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49383 - Acidic pools, mineral formations, salt deposits in the crater of Dallol Volcano, Danakil Depression, Afar Region, Ethiopia

1116-49200 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49053 - Silhouette of rock formations and cliffs in the distance in Castle Valley, Utah, United States of America

1116-49415 - Coastline of Balancing Rock, Long Island, Digby Neck, Nova Scotia, Canada

1116-49202 - Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49213 - Slot Canyon known as Mountain Sheep Canyon, Page, Arizona, United States of America

1116-49054 - A road running through Castle Valley, Utah, United States of America

1116-49203 - Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49216 - Slot Canyon known as Rattlesnake Canyon, Page, Arizona, United States of America

1116-50312 - Upper Antelope Canyon with a beam of sunlight shining through a hole resembling a spotlight to the ground; Arizona, United States of America

1116-50177 - Holy Monastery of Varlaam, Meteora; Thessaly, Greece

1116-50437 - Upper Antelope Canyon; Arizona, United States of America

1116-50183 - Monastery of Rousanou, Meteora; Thessaly, Greece

1116-50143 - Stone Forest, Meteora, rock formations in central Greece; Thessaly, Greece

1116-50003 - The Cave of Sykia; Milos Island, Cyclades, Greece

1116-50178 - Holy Monastery of Varlaam, Meteora; Thessaly, Greece

1116-50115 - Holy Monastery of St. Stephen, Meteora; Thessaly, Greece

1116-50182 - Monastery of the Holy Trinity, Meteora; Thessaly, Greece