The Art of Science
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(Smithsonian) Deep Freeze Reveals Lake Superior’s Secluded Ice Caves
For five years, the winter wonder of Lake Superior’s Apostle Islands sea caves have been hiding—but recent freezing temperatures have revealed their beauty
(…) Visitors to the caves who make the mile-long trek over an icy lake are greeted by an amazing winter view, with icicles hanging like stalactites from the cave ceilings and a clear ice floor that reveals the lake floor below. During the summer, visitors can kayak through the caves, but a solid lake offers adventurers the only way to experience the caves on foot.