Exterior of Rocky Mountain Micro-Cabin by Nathalie and Greg Kupfer

Two DIYers Erect an Off-Grid Cabin in the Canadian Rockies for Next to Nothing

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"Materials came from everywhere," says Nathalie. "We built a great gabion wall behind our fireplace. The gravel came from our front driveway. My husband hated it, so we raked it up, took it down, and put it into the wall."