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For the first time in five years, the sea caves near the Apostle Islands are accessible on foot via the frozen Lake Superior. [all images: Tricia Miller]
The caves lie approximately 18 miles west of Bayfield, Wisconsin and are a popular summertime kayaking destination.
Park officials are monitoring ice conditions closely as hikers venture out from the mainland.
Ready to go see for yourself? Start here: http://tinyurl.com/pw37thr