Incredible scenes at Hawaii's Kīlauea volcano on Wednesday: over a 13-hour period, a towering fountain of lava spewed from the Halema'uma'u crater, reaching heights of 400 feet.
The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...
Alaska, largely unspoiled wilderness, looks like something out of The Lord of the Rings.
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