This is a free bit of code/tutorial for people who want to know how to import real world data into Unity. You will notice there are several packages about that are quite costly. But here I show you how do that for free. Import real world terrain into Unity with 2-3 mouse clicks. Downside of this project is that free online WMS (Web Mapping Services), isn't so common anymore and the only free ones have LOW RES terrain (maybe you can still use it for a flight sim). If we could re-wind to 2011 it would be a different story with NASA worldwind (better than Google earth and open source), but unfortunately they couldn't afford to keep servers up. If you want you can setup a WMS to run on your hard drive instead and acquire a data set from somewhere like USGS, that would be a better solution. You can buy the DVDs of data really cheap or just download it for free (takes a while cause the dataset is huge - terrabytes). Then you can have much higher res data. So I am still not happy with no good online WMS so I have made a Bing Maps one, that will be free too, in fact its against the rules to sell the data. You will have high res data to download. Bing Maps API uses JSON, a bit more of a current approach. I will upload if anyone is interested. All the source code is included, just download the zip, unzip it into your project and then a menu called "TerraNator" will appear. Just drag the white box over the region of interest then click download button.