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They may look like space stations floating in vacuum, but these are actually delicate ice bubbles that formed in Ontario's Cranberry Lake. Michael Runtz took this picture of the segmented shapes created when pockets of air slowly bubble up from the bottom of the lake and get trapped in the freezing water as they move. Want to see what happens when giant ice structures are sculpted by wind? More »
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Sometimes a fire just won't go out. Uzbekistan is home to a place called Darvaz, nicknamed by locals "the door to hell." It's a semi-underground gas fire that's been burning nonstop for 35 years. Find out why, and see some close-up pictures of this hellmouth after the jump, plus another fire in Pennsylvania that has also been burning underground for over 30 years. More »
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