At first glance, the answer seems obvious. Ask most Americans who owns the most land in the United States, and they’ll guess today’s famous billionaires. Familiar names like Bezos, Musk or Gates. The fact is, none of them crack the top 10, and the fourth-largest private landowner, Ted Turner, just died last month. But before we get there, we need to understand how the land moved from public ownership into private hands, and who could even hold land in the first place. The map was built. Now what?