1372-320 - Wide angle view of an Emerald Lake in front of Red Crater Volcano in the Tongariro National Park, New Zealand

1372-321 - Shore of the emerald lake. Natural vibrant colour gradient. View on the Red Crater Volcano of Tongariro National Park, New Zealand.

1372-318 - Shore of the emerald lake. Natural vibrant colour gradient. View on the Red Crater Volcano of Tongariro National Park, New Zealand.

1372-145 - Calm purple evening light, of blue hour, deep blue Lake Mashu in a crater, Akan Mashu National Park, Hokkaido, Japan, Asia

832-398111 - Crater lake Viti and Oeskjuvatn in the crater of the Askja volcano, volcanic landscape, Dyngjufjoell mountain massif, Icelandic highlands, Vatnajoekull National Park, Iceland, Europe

832-398112 - Tourist at the crater rim, crater lake Viti and Oeskjuvatn in the crater of Askja volcano, volcanic landscape, mountain massif Dyngjufjoell, Icelandic highlands, Vatnajoekull National Park, Iceland, Europe

1350-6367 - Crater Lake National Park, Oregon; view from Discovery Point Trail.

1350-6341 - Crater Lake National Park, Oregon: visitor watching sunrise over the lake and Wizard Island, with Mount Scott in the distance.

1113-106968 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica

1113-106872 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica

718-2696 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica, Central America

1112-5025 - Wizard Island in Crater Lake, the deepest lake in the United States, Crater Lake National Park, Oregon, United States of America, North America

1112-5023 - Wizard Island in Crater Lake, the deepest lake in the United States, Crater Lake National Park, Oregon, United States of America, North America

1112-5021 - Wizard Island in Crater Lake, the deepest lake in the United States, Crater Lake National Park, Oregon, United States of America, North America

832-387822 - Turquoise Crater Lake, Blue Lake, volcano Mount Tongariro and Mount Ngauruhoe, Tongariro National Park, North Island, New Zealand, Oceania

832-384953 - Main crater Irazu Volcano with blue crater lake, Irazu Volcano National Park, Parque Nacional Volcan Irazu, Cartago Province, Costa Rica, Central America

832-384955 - Blue crater lake in the main crater of Irazu Volcano, Irazu Volcano National Park, Parque Nacional Volcan Irazu, Cartago Province, Costa Rica, Central America

1116-47176 - Lava Eruption On Crater Floor, Hawaii Volcanoes National Park, Island Of Hawaii, Hawaii, United States Of America

1116-47175 - Eruption At Halema'uma'u Crater, Kilauea Caldera, Hawaii Volcanoes National Park, Island Of Hawaii, Hawaii, United States Of America

832-381630 - Emerald Lakes at the Tongariro Crossing in Tongariro National Park, Ruapehu District, Manawatu-Wanganui Region, North Island, New Zealand, Oceania

832-380884 - Emerald Lakes, crater lakes, volcanic landscape, Tongariro Alpine Crossing, Tongariro National Park, North Island, New Zealand, Oceania

832-379224 - 360 panorama with the green sulphurous Emerald Lakes and volcanio Mt Tongariro, Tongariro National Park, Manawatu-Wanganui, North Island, New Zealand, Oceania

832-379223 - 360 panorama with the green sulphurous Emerald Lakes and volcanio Mt Tongariro, Tongariro National Park, Manawatu-Wanganui, North Island, New Zealand, Oceania

857-94917 - The Milky Way Galaxy visible over Crater Lake National Park in Oregon.

1184-1630 - The crater with active lava lake of Mount Nyiragongo, Virunga National Park, UNESCO World Heritage Site, Democratic Republic of the Congo, Africa

746-48279 - Squirrel, Crater Lake National Park, Oregon, United States of America (U.S.A.), North America

857-91119 - Scenic image of Crater Lake National Park, OR, United States of America

857-91118 - Scenic image of Crater Lake National Park, OR, United States of America

1178-23335 - Milky Way and old tree at night, Crater Lake National Park

1178-23347 - Trees growing on hillside, Crater Lake National Park

816-7833 - Late afternoon light on the Crater Lake of the Crater Lake National Park, Oregon, United States of America, North America

816-7834 - Late afternoon light on the Crater Lake of the Crater Lake National Park, Oregon, United States of America, North America

816-7837 - The caldera of the Crater Lake National Park, Oregon, United States of America, North America

816-7836 - The huge caldera of the Crater Lake National Park, Oregon, United States of America, North America

816-7835 - The huge caldera of the Crater Lake National Park, Oregon, United States of America, North America

832-375981 - Waterfall on lava rock, Crater Lake National Park, Oregon, USA, North America

764-4586 - Crater Lake and Wizard Island at dawn, Crater Lake National Park, Oregon, United States of America, North America

764-4585 - Crater Lake and Wizard Island at dawn, Crater Lake National Park, Oregon, United States of America, North America

816-6703 - Aerial of a tuquoise crater lake on top of Mount Ruapehu, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

764-4571 - Sunrise over Crater Lake and Wizard Island, Crater Lake National Park, Oregon, United States of America, North America

764-4570 - Sunset at Crater Lake with Wizard Island, Crater Lake National Park, Oregon, United States of America, North America

764-4572 - Low clouds glowing orange at sunrise, Crater Lake National Park, Oregon, United States of America, North America

816-6138 - Volcanic crater before the smoking Kilauea Summit Lava Lake in the Hawaii Volcanoes National Park,UNESCO World Heritage Site, Big Island, Hawaii, United States of America, Pacific

832-252266 - Crater lake with caldera of the volcano Mount Mazama, Crater Lake National Park, Oregon, USA, North America

832-153780 - Reflections on Crater Lake, Crater Lake National Park, Oregon, USA

1113-55583 - Smoke above crater lake at volcano Poas National Park, Costa Rica, Central America, America

1113-32930 - Crater of Poas Volcano, Poas National Park, Costa Rica, Central America

1113-32925 - Tourists at crater lake, Laguna Botos, Poas National Park, Costa Rica, Central America

1116-29625 - Oregon, Crater Lake National Park, Snowy Crater Lake and Wizard Island.

1116-29623 - Oregon, Crater Lake National Park, Snowy Crater Lake and Wizard Island.

857-82704 - Hikers along cliff trail near lake.

857-82703 - Hikers along cliff trail near lake.

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

829-455 - Ugandans harvesting salt in the Bunyampaka salt lake in the Kasenyi reserve in Queen Eizabeth National Park in western Uganda.

814-609 - Crater Lake of Bunyaruguru with eucalyptus and sequoias, close to the area of Queen Elizabeth National Park, Uganda, East Africa, Africa

814-1043 - Sulphur worker carrying heavy baskets of sulphur, by the crater lake of the Kawa Ijan volcano, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

814-1052 - Worker carrying heavy baskets of sulphur, by the crater lake of the Kawa Ijan volcano where a sulphur mine constantly smokes, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

814-1044 - Worker carrying heavy baskets of sulphur, by the crater lake of the Kawa Ijan volcano where a sulphur mine constantly smokes, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

814-1045 - Worker carrying heavy baskets of sulphur, by the crater lake of the Kawa Ijan volcano, where a sulphur mine constantly smokes, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

814-1064 - Lake in the crater of the Kawa Ijan volcano where a sulphur mine constantly smokes, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

814-1048 - Workers carrying heavy baskets of sulphur, by the crater lake of the Kawa Ijan volcano where a sulphur mine constantly smokes, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

814-1030 - Lake in the crater of the Kawa Ijan volcano where a sulphur mine constantly smokes, Baluran National Park, Java, Indonesia, Southeast Asia, Asia

718-1454 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica, Central America

797-1017 - USA Oregon Crater Lake National Park View over water filled crater formed after the erruption of Mount Mazama with small island in the middle

757-183 - Cerro Catedral and Lago Toncek, Nahuel Huapi National Park, Bariloche, Patagonia, Argentina, South America

29-731 - Crater Lake National Park, Oregon, USA

641-5945 - Poas Volcano, Poas National Park, Costa Rica

83-9765 - One of the Emerald Lakes, explosion craters filled with mineral-tinted water, on Mount Tongariro in the Tongariro National Park on the central plateau, North Island, New Zealand

641-5944 - Poas Volcano, Poas National Park, Costa Rica

641-5943 - Poas Volcano, Poas National Park, Costa Rica

312-1908 - One of the crater lakes at Band-E-Amir (Dam of the King), Afghanistan's first National Park set up in 1973 to protect the five lakes, believed by locals to have been created by the Prophet Mohammed's son-in-law Ali, making them a place of pilgrimage, Afghanistan, Asia

312-2060 - Band-I-Zulfiqar the main lake, Band-E- Amir (Bandi-Amir) (Dam of the King) crater lakes, Afghanistan's first National Park, Bamian province, Afghanistan, Asia