One of my favorite places on earth is Hawaii Volcanoes National Park on the Big Island, and who knew that there was a similar place to explore in Northern Arizona? Sunset Crater National Monument is ...
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Active volcano spewing lava and smoke at sunset
A powerful volcanic eruption sends glowing streams of molten lava flowing across a dark, rugged landscape. Thick clouds of ...
spacecraft, a mountain ridge named Mongibello, three-fourths as tall as Mount Everest, gleams from the rays of an otherworldly sunset. Other Io pictures that ...
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