Flying across America provides a bird’s eye view of how we humans have decided to cut the land up. In regions where we’ve completely mastered the topography, you’ll see completely unnatural-looking, perfect grids like this, punctuated with perfect circles:
So what the heck are those, and how/why are they created? Here’s the 30-second answer:
That’s a snippet from this five-minute-plus video on why certain parts of America look very different from the air, depending on which colonial master first took control of which region. It’s worth a watch if you’ve got the time.
via Core77
What Are These Perfect Circles Across The American Landscape, And How Are They Created?