A buddy and I were flying around low and slow in his bushplane scouting for deer. We spotted an interesting-looking tiny house on a river, so we landed in a nearby field and hiked over for a look. There were no roads within at least a quarter mile. It was only as big around as a large horse stall. Three stories high, with a dock at the lowest level and a deck at the second. Lots of windows on all sides. Small solar panel out front. We didn't get too close, but it looked like nobody had been there for a long time.