Landscape mipmapping via Bezier Tesselation

My RPG needs a massive sense of scale. My foregrounds are made of interlocking interesting artist created tiles. My process for those is fine, but I needed a way to see far away. So I started by messing with a height map to get control points which might be used for loading tiles using the control points as a lookup. This worked fine but seemed limited. I got excited about bezier patches and started reading up on how to tessellate those based on distance. That way, when the camera can see this l...