While visiting for a few days on a beautiful farm in the mountains recently, we always went walking every day. Those 800 acres were covered in large trees, meadows, and had a briskly rolling gorgeous little creek within a ten-minute stroll of the farmhouse. The family had carefully cleared roads and paths among all the trees, bushes and flowers that grew everywhere on their land. So, as long as we stayed on one of those paths or roads, and kept our eyes peeled for a stray bear or panther, we were good. We were free to wander anywhere and everywhere, and that’s exactly what we did.

But I mentio...