Mauna Kea, Big Island, Hawaii, United States of America, North America

Aerial view of Mount Karisimbi, a dormant volcano in the Virunga Mountains on the border between Rwanda and the Democratic Republic of Congo (DRC), flanked by Mount Mikeno to the north, Mount Bisoke to the east and Mount Nyiragongo to the west, Great Rift Valley, Africa

Aerial view of Mount Karisimbi, a dormant volcano in the Virunga Mountains on the border between Rwanda and the Democratic Republic of Congo (DRC), at 4507m the highest of the mountain range, Great Rift Valley, Africa

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

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

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

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

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

Layers of lava flows and tuff from the dormant volcano on Isla Tortuga, Baja California, Sea of Cortez, Mexico, North America

Armaghan volcano in the background, Argitchi plateau, Gegharkunik region, Armenia, Eurasia

Layers of lava flows and tuff from the dormant volcano on Isla Tortuga, Baja California, Sea of Cortez, Mexico, North America

The dormant volcano Mount Edgecomb just outside the city of Sitka, Sitka Sound, Southeast Alaska, United States of America, North America

Deception Island, a dormant volcano, South Shetland Islands, South Atlantic, Antarctica, Polar Regions

Tourists bathe in hot tub in warm waters of dormant volcano on Deception Island, Antarctica, Polar Regions

Silverswords, a plant unique to Hawaii which flowers once then dies, growing in vast crater of Haleakala, the world's largest dormant volcano, Maui, Hawaii, Hawaiian Islands, United States of America (U.S.A.), North America

View across the rim of the dormant San Fernando crater of the Volcan Masaya in the Volcan Masay National Park, Nicaragua, Central America

Part of the vast crater of 10023 ft Haleakala, the world's largest dormant volcano, seen from Sliding Sands trail, Maui, Hawaii, Hawaiian Islands, United States of America (U.S.A.), North America

Dormant volcano, Mount Ngauruhoe, Tongariro National Park, UNESCO World Heritage Site, Taupo, South Auckland, North Island, New Zealand, Pacific

Mount Ararat, Khorvirap monastery, Armenia, Asia

Looking south towards Lake Helen from dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activities and features, Lassen Volcanic Park, Northern California, California, United States of America (USA), North America

Dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activity and features, Lassen Volcanic Park, Northern California, California, United States of America (USA), North America

Lake Helen and the dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activities and features, Lassen Volcanic Park, Northern California, California, USA

Lake Helen and the dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activities and features, Lassen Volcanic Park, Northern California, California, USA

Manzanita Lake and the dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activities and features, Lassen Volcanic Park, Northern California, California, United States of America (USA), North America

Mount Elbrus, ISS Image

Satellite view of Mount Kilimanjaro, Tanzania. This dormant volcano is the highest mountain in Africa. It is part of the Kilimanjaro National Park. This image was compiled from data acquired by Landsat satellites.

View of dormant volcano Mount Taranaki at Egmont National Park, North Island, New Zealand, Oceania

View of dormant volcano Mount Taranaki at Egmont National Park, North Island, New Zealand, Oceania

View of dormant volcano Mount Taranaki at Egmont National Park, North Island, New Zealand, Oceania

snow capped Mt Taranaki, Mount Egmont, North Island, New Zealand

High angle view of a befogged volcano, St. Lucia

Low angle view of a volcanic mountain from the sea, St. Lucia

Cinder Cones And Caldera From Ancient Lava Eruptions Atop 4200 Meter Mauna Kea, Tallest Mountain In Hawaii, At Sunset, Island Of Hawaii, Hawaii, United States Of America

Kaunaoa Beach, Mauna Kea Beach and Hotel, and a view of Mauna Kea with snow on the Big Island, Island of Hawaii, Hawaii, United States of America

Kaunaoa Beach, Mauna Kea Beach and Hotel, and a view of Mauna Kea with snow on the Big Island, Island of Hawaii, Hawaii, United States of America

Mauna Kea with snow and observatories viewed from North Kohala coast, Island of Hawaii, Hawaii, United States of America

Boat on water with Mount Edgecumbe in background

lava flows at Craters of the Moon National Moument dormant volcano in background