By shading census blocks with a population of zero, Nik Freeman created a map of where people don't live. While 47% of the United States is uninhabited, it's not all wild frontier. Sure, there's the rivers and national parks, but highways and infrastructure, shopping malls and parking lots count, too.
• The U.S. Is Still 47% Frontier (Sort Of) | Co.Design
(Image credits: Nik Freeman)