The only Minnesota lake where crystal-clear ice reveals underwater forests—locals call it ‘walking on glass’ during January’s 3-week window
I still remember the moment my boot touched that frozen lake surface in the Boundary Waters and I looked down—not at opaque white ice, but through 10 feet of crystal-clear frozen water revealing an entire underwater forest suspended beneath my feet. The local guide from Ely called it “walking on glass,” and after three decades … Lire plus