1311-1157 - Super Panorama of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona. Created by stitching 5 photos together.

1311-1156 - View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona.

1311-1155 - View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona.

1311-1154 - View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona.

1311-1153 - View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona.

1311-1152 - The giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona.

1112-11995 - A view of the boiling mud at Namafjall, Iceland

1184-13617 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13613 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13612 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13611 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13610 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13609 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13608 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13607 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13606 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13605 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13603 - Aerial over Trou du Natron with volcano Tousside in the background, Tibesti Mountains, Chad

1184-13601 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13600 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13599 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13598 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

832-405743 - Kayak tour on lake-filled Quilotoa caldera, Laguna Quilotoa, Cotopaxi Province, Ecuador, South America

832-405744 - Mules on the way to the lagoon, Laguna Quilotoa, Cotopaxi Province, Ecuador, South America

848-3265 - Quilotoa Lake, Cotopaxi Province, Ecuador

718-3164 - People walking around Stefanos crater moonlike landscape, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe

718-3158 - Nisyros volcano, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe

718-3157 - Splashes of sulphur colouring Stefanos crater ground, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe

718-3155 - People walking around Stefanos crater moonlike landscape, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe

1369-276 - Aerial view of the crater of Volcan de la Corona at sunrise, Haria, Las Palmas, Lanzarote, Canary Islands, Spain, Atlantic, Europe

1346-396 - Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe

1346-395 - Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe

1346-394 - Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe

1346-393 - Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe

718-3015 - View of lava fields and snow-capped peaks in the distance, Etna, Sicily, Italy, Mediterranean, Europe

718-3007 - Crateri Silvestri, high angle view, Etna, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe

1112-9864 - Lava and ash floes in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America

832-405388 - Fiery colorful sky above the red crater cone of Mount Fuji at dawn sunrise over Lake Kawaguchiko water on a summer morning in Japan

832-405387 - Colorful pink sky above the red volcano crater cone of Mount Fuji over Lake Kawaguchiko water on a summer morning sunrise in Japan. Vertical

1184-12853 - Aerial of a Volcanic crater outside, Goma, Democratic Republic of Congo, Africa

832-404836 - Observatory in front of the summit of Mount Teide, Tenerife

832-404835 - Sunset at the observatory in front of the summit of Mount Teide, Tenerife

1387-96 - Haleakala Crater, in Haleakala National Park, Maui's dormant volcano, Hawaii, United States of America, Pacific, North America

1116-53463 - Panoramic view of the turquoise-green waters of Venere's Mirror a thermal lake formed in an extinct volcanic crater on Pantelleria Island, Sicily, Italy

29-5649 - Wahban Crater (caldera) in Hejaz Mountains northeast of Jeddah, Saudi Arabia, Middle East

1346-301 - Cane Malu moonlike crater full with water, Sardinia, Italy, Mediterranean, Europe

1385-289 - Rock formations against a clear blue sky with mountains in the background, showcasing natural erosion and geological features in the Teide National Park,UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe

1385-268 - Desert road stretching into the distance with rocky mountains under a clear blue sky in Tenerife, Canary Islands, Spain, Atlantic, Europe

1385-267 - Scenic view of a tranquil volcanic landscape with clear blue sky in Tenerife, Canary Islands, Spain, Atlantic, Europe

1385-266 - Volcanic landscape with rocky terrain in the foreground and a clear blue sky over the ocean in the background in Tenerife, Canary Islands, Spain, Atlantic, Europe

1382-337 - People walking on the edge of the crater of Mount Vesuvius, Province of Naples, Campania region, Italy, Europe

1382-336 - People walking on the edge of the crater of Mount Vesuvius, Province of Naples, Campania region, Italy, Europe

1384-921 - Road leading to cone of Mount Corona volcano and Ye village, Haria, Lanzarote, Canary Islands, Spain, Atlantic, Europe

1384-906 - Volcanic landscape, Mount Pico Partido, Parque Nacional de Timanfaya, national park, Lanzarote, Canary Islands, Spain, Atlantic, Europe

1384-905 - Volcanic landscape of solidified lava flows and distant cone volcanoes, near Yaiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe

1384-904 - Volcano crater and black volcanic farmland soil, near Tinajo, Lanzarote, Canary Islands, Spain, Atlantic, Europe

1384-889 - Malpais badlands volcanic landscape Montana Negra and Caldera Colorada, Parque Natural Los Volcanes, Masdache, Lanzarote, Canary islands, Spain, Atlantic, Europe

1384-884 - Malpais badlands volcanic landscape looking northeast from Los Hervideros, Parque Natural Los Volcanes, near Yaiza, Lanzarote, Canary islands, Spain, Atlantic, Europe

1384-734 - Rocky volcanic badlands (malpais) landscape, Malpais Grande National Park, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

1372-323 - Emerald Lake in Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-320 - Wide angle view of an Emerald Lake in front of Red Crater Volcano in the Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-321 - Shore of the Emerald Lake, natural vibrant colour gradient with view on the Red Crater Volcano of Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-319 - Turquoise and yellow green Emerald Lake in front of the Tongariro Volcano, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-318 - Shore of the Emerald Lake, natural vibrant colour gradient with view on the Red Crater Volcano of Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-306 - Close up of turquoise, vibrant Emerald Lake with steaming volcano on Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-305 - Close up of turquoise, vibrant Emerald Lake with steaming volcano, Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-304 - View along the slope and hiking trail up towards the Red Crater Volcano, on Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-303 - Emerald lake on volcano slope, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-302 - View along the slope and hiking trail up towards the Red Crater Volcano, on Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-298 - The three emerald lakes and volcano landscape of the Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-297 - Emerald Lakes at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-295 - Red Crater and Mount Ngauruhoe in Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-296 - Emerald Lakes at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-270 - Panoramic view, crater of Blue Lake and Tongariro Volcano at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-269 - Sunrise at the volcano slopes Red Crater, Tongariror Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-276 - Sunrise above the Emerald Lakes, view from red crater, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

1372-273 - Panorama of the red sunrise on Red Crater Volcano and view of Mount Tongariro, North Island, New Zealand, Pacific

1184-11717 - Crater rim path on Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11718 - Crater rim on Mount Naka active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11716 - Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia

1184-11715 - Crater rim on Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11714 - Crater rim path on Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11713 - Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia

1184-11712 - Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia

1184-11711 - Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11710 - Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11709 - Sulphur for sale on the Crater rim on Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11708 - Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11707 - Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia

1184-11706 - Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia

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

83-13437 - Steaming fumaroles, sulphur and volcanic strata in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13438 - Steaming fumarole with sulphur deposits in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13436 - Steaming fumaroles, sulphur and volcanic strata in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13435 - Sulphurous fumaroles and volcanic strata in Tompaluan active crater on the flank of Mount Lokon, a volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia Indonesia

83-13430 - Mount Mahawu, a stratovolcano and active 180m wide crater, with Lokon on the left, and Empung volcanoes beyond, Gunung Mahawu, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13427 - Mount Lokon volcano with Tompaluan active crater on the saddle between next door Mount Empung, near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13425 - Mount Mahawu, a stratovolcano and active 180m wide crater, with Lokon on the left, and Empung volcanoes beyond, Gunung Mahawu, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13426 - Mounts Lokon on the left, and Empung, with Tompaluan active crater on the saddle between, two volcanoes near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

83-13419 - The peak of Mount Lokon, a stratovolcano with Tompaluan active crater on its flank, near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia