Basalt cliffs and rock stack, Halsenifs Hellir Beach, near Vik i Myrdal, South Iceland, Iceland, Polar Regions

Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

Lava entering ocean, Kalapana, Hawai'i Volcanoes National Park, Big Island, Hawai'i, USA, North America

Lava entering ocean, Kalapana, Hawai'i Volcanoes National Park, Big Island, Hawai'i, USA, North America

Woman on volcano Leirhnjúkur, Krafla Volcanic area, Reykjahlíð, Mývatni, Island

Svartifoss Waterfall, Black Falls, River Stórilækur, basalt pillars, Skaftafell National Park, Suðurland, Southern Region, Iceland, Europe

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

Svartifoss Waterfall, Black Falls, River Stórilækur, basalt pillars, Skaftafell National Park, Suðurland, Southern Region, Iceland, Europe

Road through the Atacama desert, behind volcanoes, Andean highlands, road B-357, Talabre, San Pedro de Atacama, El Loa province, Antofagasta region, Norte Grande de Chile, Chile, South America

Hohenstoffeln Volcano, Hegau, Lake Constance, Baden-Württemberg, Germany, Europe

Road through lava fields, Reykjanes, Iceland, Europe

Dettifoss Waterfall, rainbow, detail, Iceland, Europe

Black lava beach, basalt cave with basalt rocks, Reynisdrangar near Vík í Mýrdal, Suðurland, Southern Region, Iceland, Europe

Road through lava fields, Reykjanes, Iceland, Europe

Bruarfoss Waterfall, turquoise stream, Iceland, Europe

Pörnfoss Waterfall, evening light, Iceland, Europe

Hraunfossar Waterfall, River Hvita, Iceland, Europe