It's a bit of a process and you'll have to study up unless you have several thousand dollars to throw at someone to do it for you. Get the Land Patent (usually called Land Grant in the eastern US), also called Allodial Title. They have no right to tax your land, water, sunlight, air, or any basic need.

The US Code is clear about who is really supposed to be paying taxes. We've been duped into thinking it's us.