Upon the divorce, my ex-wife got the mobile home, and I didn't get much. Her mother died recently. Now the land, about 20 acres, is going to be divided between two heirs. I mowed, planted, tilled and improved the land from wilderness into nice yard, orchard and garden areas. You are referring to claiming title to land by adverse possession.
Every state has a law allowing such claims.
The requirements are open, notorious, hostile and continuous possession, plus payment of the property taxes, for the required number of years. Also, you must prove you paid the property taxes for the required number of years. Fla. The lots are heavily treed and overgrown. They have listed these lots for sale with a realty agent for some time. The lots are now priced below appraised value.