Big Island Hawaii: Top Photos

Fire and ice on an island still being born from molten earth

Thurston Lava Tube at Hawaii Volcanoes National Park, Big Island, Hawaii. The step mark on the right wall indicates the depth at which the lava flowed for a period of time.
Inside Thurston Lava Tube, the step mark on the wall shows exactly how deep the lava once ran — an eerie, unforgettable window into what built this island. © Frank Schulenburg, CC BY-SA 3.0, via Wikimedia Commons

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