I'll answer by giving some examples. National Parks in the U.S. are owned by the federal government. State parks by the state government. County parks by the

I'll answer by giving some examples. National Parks in the U.S. are owned by the federal government. State parks by the state government. County parks by the county government. City parks by the city. Each level of government is able to sell land from its parks to individuals or corporations. There are other examples of something being government owned. I'm assuming you are aware of all this but I've been unable to deduce either your real question or your point. Can you elaborate?