Doug Perrine / Hot lava from the 61G flow, emanating from Pu'u O'o on Kilauea Volcano, flows over sea cliffs into the ocean under the stars and moon, Kamokuna, Kalapana, Hawaii Volcanoes National Park, Puna, Hawaii...

Doug Perrine / Red hot lava from Kilauea Volcano flowing into ocean at West Kailiili, Hawaii Volcanoes National Park, Big Island, Hawaiian Islands, USA.

Doug Perrine / Molten lava lake in Halemaumau Crater, a pit crater in the summit caldera of Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano onto Lae'apuki Bench, Hawaii Volcanoes National Park

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

David Fleetham / An aerial view across Sliding Sands Trail and Haleakala Crater to 'Science City' high altitude observatory at the summit in Haleakala National Park, Maui's dormant volcano, Hawaii, June 2011.

David Fleetham / An aerial view of 'Science City' high altitiude observatory above the clouds in Haleakala National Park, Maui's dormant volcano, Hawaii, June 2011.

David Fleetham / An aerial view across Haleakala Crater showing Ka Lu'u o ka O'o Cone and the last few miles of the road leading to the summit and 'Science City'. Haleakala National Park, Maui's dormant volcano, Hawai...

David Fleetham / Halemaumau Crater in Volcanoes National Park on The Big Island, Hawaii. The volcano became active again in 2011, having since been dormant from 1967.

David Fleetham / Lava flows into the Pacific Ocean at dawn off the Big Island of Hawaii. Volcanoes National Park, Hawaii.

David Fleetham / Panoramic view from Kalahaku Overlook across Haleakala Crater, Haleakala National Park, Maui's dormant volcano, Hawaii. (Eight vertical images were stitched together in Photoshop to make this large fi...