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A view of Candlemas Island, an uninhabited volcanic Island in the South Sandwich Islands, South Atlantic, Polar Regions

A view of Lucifer Hill on Candlemas Island, an uninhabited volcanic Island in the South Sandwich Islands, South Atlantic, Polar Regions

A huge lava arch, pounded by Atlantic surf, at Arnastapi, in Snaefellsjokull National Park, on the Snaefellsnes peninsula, west coast of Iceland, Polar Regions

A basalt lava arch in the cliffs at the village of Arnastapi, Snaefellsjokull National Park, Snaefellsnes peninsula, west coast of Iceland, Polar Regions

Storm surf against lava cliffs at Skalasnagi, in Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions

Storm surf against lava cliffs at Skalasnagi, in Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions

Storm surf against lava cliffs at Skalasnagi, in Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions

Storm surf against lava cliffs at Skalasnagi, in Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions

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

Stress cracks in the skin of a large fallen lava bomb near Mount Lokon, an active stratovolcano, near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

Volcanic landscape view on the far away Taranaki Volcano, viewed from Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

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

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

Vast arid volcanic landscape before sunrise, on high plateau of Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Purple hills of volcanic bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Dramatic volcanic-like rock formations, Sierra Nevada National Park, Andalusia, Spain. Rugged geology of the Iberian Peninsula’s highest peak.

Tourists around the steam jets at Namaskard thermal area, Hverarond, near Lake Myvatn, North area, Iceland, Polar Regions

Bartolome Island with Pinnacle Rock, a volcanic plug, to the right, the location featured in the 2003 film Master and Commander, Galapagos islands, UNESCO World Heritage Site, Ecuador, South America

Lava and ash floes in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

The endemic lava cactus (Brachycereus spp) growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Galapagos penguin (Spheniscus mendiculus) hauled out on lava in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Adult mourning gecko (Lepidodactylus lugubris), at night on the Volivoli Resort grounds on Viti Levu, Fiji, South Pacific, Pacific

Aerial view of hot air balloon over rock formations in Love Valley at sunrise, Goreme, Goreme Historical National Park, UNESCO World Heritage Site, Cappadocia, Central Anatolia Region, Anatolia, Turkey, Asia Minor, Asia

El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe

El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe

Galapagos fur seal (Arctocephalus galapagoensis) hauled out on lava flow in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Lava Lizard (microlophus) on Floreana island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Rock formation at Praia da Ribeira da Janela beach, Ribeira da Janela, Porto Moniz, Madeira, Portugal, Atlantic, Europe

Elevated view natural volcanic rock pools near Aquarium of Madeira (Aquario da Madeira) and Cachalote restaurant, Porto Moniz, Madeira, Portugal, Atlantic, Europe

November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.

Galapagos Land Iguana (Conolophus subcristatus), large lizard can can grow to five feet long and live for 60 years, South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Woman standing on a rock overlooking the Wadi Shab, canyon near Tiwi, Sultanate of Oman, Arabian Peninsula

AlUla Zipline, from Harrat volcanic plateau, racing 1.5km at up to 120km/hr, in incredible scenery of the Mountains, Medina Province, Saudi Arabia

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

View of sign at entrance to Timanfaya National Park, Lanzarote, Las Palmas, Canary Islands, Spain, Atlantic, Europe

Path to Laguna Miscanti, a brackish lake at an altitude of 4140 meters in the Andean Central Volcanic Zone, Chile, South America

Natural salt water swimming pools made of volcanic rock, Porto Moniz, Madeira island, Portugal, Atlantic, Europe

Storm surf against lava cliffs at Skalasnagi, in Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions

Sulphur deposits in a piece of lava rock on the slopes of Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

Idyllic sunrise over volcanic rock formations and mountains in the surreal Labyrinth Desert, Puna, Argentina

Haleakala National Park, volcanic landscape at sunrise, Maui Island, Hawaii, United States of America, North America

Pico Viejo, Caldeira de las Canadas, Mount Teide, Mount Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic Ocean, Europe

Galapagos fur seal (Arctocephalus galapagoensis) hauled out on lava flow in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos fur seal (Arctocephalus galapagoensis) hauled out on lava flow in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

View from the Rubha Hunish lookout bothy to the Shiant Isles and Harris from the most northern tip of Skye, an SSSI due to its igneous geology and maritime cliffs, Rubha Hunish, Duntulm, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe

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

The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos Land Iguana (conolophus subcristatus), a large lizard species, that can grow up to five feet long and live 60 years, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Coastal swimming pools near mountains at Porto da Cruz, Machico District, Madeira, Portugal, Atlantic, Europe

Waves washing rock formation near coast of Porto Moniz and distant view of lighthouse on Ilheu Mole Island, Madeira, Portugal, Atlantic, Europe

Yellow-footed gull (Larus livens), eggs in nest on Isla Coronado, Baja California Sur, Sea of Cortez, Mexico, North America

The recent re-eruption of Mount Fagradalsfjall and Geldingadalir Volcano, Southwest Peninsula, Iceland, Polar Regions

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Sierra Negra Volcano, Highlands of Isabela (Albemarle) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

El Tatio Geysers, at 4300m above sea level El Tatio is the world's highest geyser field, the area is ringed by volcanoes and fed by 64 geysers, Atacama Desert, Norte Grande, Chile, South America

Pinnacle Rock, a volcanic plug on Bartolome Island, one of the most spectacular features of the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Los Roques de Garcia at Caldera de las Canadas, Pico de Teide at sunset, National Park Teide, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Europe

Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America

The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Volcanic cone, Seongsan Ilchulbong (Sunrise Point) on Jeju Island, UNESCO World Heritage Site, South Korea, Asia

Lava lizard (Microlophus spp) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

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

Reflecting pools and volcanic basalt rock boulders in the water, Devil Dog Canyon, near Drake, Arizona, United States of America, North America

Storm surf against lava cliffs at Skalasnagi, Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions

Imerovigli village perched on red volcanic hill, island of Santorini (Thira), Cyclades, Greek Islands, Greece, Europe

Grand Prismatic Spring and Excelsior Pool behind, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Pinnacle Rock, a volcanic plug on Bartolome Island, one of the most spectacular features of the Galapagos islands, UNESCO World Heritage Site, Ecuador, South America

El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe