Wrote to you at DA, Seth, to say I'd bring this up here...
I see something strange in version 1, in the upper-left shadowed area.
It appears to be missing some terrain.
There's a bright area that looks to be lit by pure GI, either that or, it is the waterplane beneath(but I'm also quite sure that you wouldn't have made the lake so big as to be rendered this far beneath the terrain.) . Did the ground fail to render correctly? This must be what the 'teapot' error is aswell.
Looking to the top of this area and there seems also to be a plane added and rendered that isn't part of the terrain, seems higher than the main terrain. Was this to try and cover up the hole in the ground?
I never noticed until I looked at it at DA to add it to my favourites. I don't think anyone else has asked about it.