Scenes from the Apostle Islands National Lakeshore in Bayfield, Wis., where Lake Superior's ice is thick enough to walk to the area's sea caves for the first time in five years. Derek Montgomery for MPR News hide caption

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'Almost Otherworldly': The Sea Caves Of Lake Superior, On Ice

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National Weather Service radar image, from 7:41 a.m. ET on Dec. 29, of storms moving over Los Angeles. wrh.noaa.gov hide caption

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Ina Jaffe on the snow pack in the Sierras

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