All right. I load a save and notice that rocks are fading in when I get close to them. Then I go to a town such as Bravil and then whole buildings and stone walls are fading in like the rocks. I disabled all my mods so this must be an error with the base game. Any ideas on a fix?

Objects such as rocks are fading in when I get close to them. I went to a town and whole buildings are doing the same. I disabled all my mods so this must be an error with the base game. Any ideas on a fix?