I wrote a while back about the POI's that were either risen or sunk. So far, I have only come across the 2 that I took a screenshot of, but I went in and changed the height on the prefab.xml list and it worked.
On line 163 I changed it to the following (it was showing as 43 before)
<decoration type="model" name="army_camp_03" position="-48,41,-3297" rotation="2" />
On line 2181 I changed it to the following (it was showing at 42 before)
<decoration type="model" name="settlement_trader_03" position="160,50,-2961" rotation="2" />
This put the POI's at the proper z axis but figured you may want the bits of code so you can update on your end. This is on the DF_large map. I did see a couple of other POI's that were off by 1 in that same city (one was the Police Building at the edge of the burnt biome), but didn't think they were bad enough to make enough of a fuss about to fix. If I come across any others that sunk or risen to high, I will let you know.
Not a game breaking thing, just a minor inconvenience as you have to kind of use frames to reach these POI's, but figured you may want to know.