832-121320 - Building on Assekrem with view over the volcanic landscape of Atakor, Hoggar, Ahaggar Mountains, Wilaya Tamanrasset, Algeria, Sahara, North Africa
832-123937 - Sheepeater Cliffs, basalt cliffs, also known as Tukuaduka, Gardner River, Yellowstone National Park, Wyoming, United States of America, USA
832-81075 - Erosion of a river bed, volcanic region of Mount Ruapehu, Tongariro National Park, UNESCO World Heritage Site, near Waiouru, North Island, New Zealand
832-76908 - Viscous P&hoehoe lava flowing from rifts in the East Rift Zone towards the sea, lava field at the Kilauea shield volcano, Volcanoes National Park, Kalapana, Hawaii, USA
832-77289 - Still warm lava from an eruption of the volcano Piton de la Fournaise in 2007 steaming after rain, at Piton Sainte-Rose, Reunion island, Indian Ocean
832-53707 - Frozen crater lake, volcanic crater of the Licancabur volcano, 5800m altitude, highest lake in the world, Licancabur, Andes mountain range, Altiplano, border of Chile and Bolivia, South America
832-46955 - Molten pahoehoe type lava flowing from a crack in the East Rift Zone towards the sea, lava field of the Kilauea shield volcano, Hawai'i Volcanoes National Park, Kalapana, Hawai'i, USA
832-46953 - Molten pahoehoe type lava flowing from a crack in the East Rift Zone towards the sea, lava field of the Kilauea shield volcano, Hawai'i Volcanoes National Park, Kalapana, Hawai'i, USA
832-43622 - Tufa Fairy Chimneys with basalt blocks placed on top, rock formations at Cavushin, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey
832-43621 - Tufa Fairy Chimneys with basalt blocks placed on top, rock formations at Cavushin, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey
832-48177 - Maar and sedimentary rock of Ubehebe Crater, volcanic crater, Death Valley National Park, Mojave Desert, California, United States of America, USA
832-10815 - Poas Volcano, national park in the central highlands of the Alajuela Province, main crater with blue water, sulphur vapour, smoke and clouds, Parque Nacional Volcan Poas, Costa Rica, Central America
829-816 - A yellow diamond embedded in a piece of kimberlite. Kimberlite is the igneous stone in which diamonds are found and was formed in the Earth's crust between 100 and 1000 million years ago.
755-94 - On the left the granite spire known as Lady Finger peak, or Bubulimating, summit 6,000m, high above Karimabad in the Karakoram mountains of the Northern Areas, Pakistan. On the right, Ultar Peak, 7388m and 73rd highest mountain in the world.