Crater, Poas Volcano National Park, Costa Rica

Aerial of dormant volcano in Haleakala National Park, Maui, Hawaii.

Northern lights over Myvatn volcanic caldera, Iceland

Aerial of dormant volcano in Haleakala National Park, Maui, Hawaii.

Volcanic Crater

Craters of dormant volcano in Haleakala National Park in Maui, Hawaii.

Haleakala crater with smoke

Amboy Crater National Natural Landmark; Amboy, California, United States Of America

Martian rocks, true-colour image

north crater flow craters moon national monument

Two silhouetted tourists walking crater rim, Vulcano Island, Aeolian Islands, Sicily, Italy

Volcanic crater lake with moss and lichen covered boulders

A variety of micro organisms have ventured out of the ocean and onto two volcanic calderas.

A volcano bursts forth with hot lava and billowing smoke.

Red hot lava rolls out of the mouth of an erupting volcano.

An active volcano belches smoke and ash into the sky.

Rivers of lava flow from an old volcano as it erupts.

A volcano comes to life with smoke, ash and fire.

A new volcano made of molten lava expels vibrant smoke plumes.

A volcano erupts with lava, fire and smoke.

The view from the rim of the caldera of Olympus Mons on Mars.

A volcano comes to life with fire, smoke and lava.

The island on Hawaii is engulfed by layers of red hot lava by an active volcano.

An active volcano belches smoke and molten red lava in an eruption.

Volcanic Crater