My second thought: I wonder what Don
My third thought: Damn, is that a...it is! An airplane!
I couldn't find anything on the www about this, which isn't surprising. It looks like it's been here for maybe 20 years (wild guess) so it wouldn't be on the www in the form of news reports.
This is probably the coolest thing I've found in the woods, although I'd have to give that some thought before awarding the gold medal.
I wasn't carrying GPS, and it was very remote. I could probably find it again, but it would take a while. Pretty rugged and remote, densely forested, steep, not really any terribly distinctive landmarks nearby.