One occasionally sees, cut into the side of a hill or lying flat next to a home's foundation, a door in that ground that leads to a drab, potato-colored wonderland of vegetable storage: a root cellar.

Storage of winter vegetables might not seem like a compelling issue if you don’t have a root cellar, and let’s establish the fact that few of you do — at least not in the sense of a cavern dug into ...

It’s the perfect design for growing your own uber-local produce. The Groundfridge is a high-tech hole in the ground. The modern-day root cellar needs a fair-sized garden to accommodate it, but you’ll ...