The sauna door handle is a simple piece of driftwood. “One principle rule I followed,” says Kiehl, “was: Don’t build on outdoor space if it can work as outdoor living space. Norwegian summers are short. We want to be outdoors as much as possible.”  Photo 8 of 9 in My House: An Architect and His Wife Adjust Their Longtime Norwegian Cottage to Be Livable in Old Age

My House: An Architect and His Wife Adjust Their Longtime Norwegian Cottage to Be Livable in Old Age

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The sauna door handle is a simple piece of driftwood. "One principle rule I followed," says Kiehl, "was: Don’t build on outdoor space if it can work as outdoor living space. Norwegian summers are short. We want to be outdoors as much as possible."