Yes, there is lots of land available. The problem (I think) the OP was referring to is that most areas have building codes that regulate what kind of structure you can build.
Go far enough outside the cities and there are still many places in the US that don't have building codes, though. So you can go and build your very own neon green & pink hobbit hole with a tree for a doorway and no one can say anything :-)
Go far enough outside the cities and there are still many places in the US that don't have building codes, though. So you can go and build your very own neon green & pink hobbit hole with a tree for a doorway and no one can say anything :-)