This YouTube 
shows a guy building a beautiful but small log cabin with just the hand tools he takes from a small backpack. Quite a feat in itself, but it seems to be a bit too easy: he at first finds wood that has already been uprooted, but given the sheer amount of wood involved I doubt he was able to build the cabin without chopping down a few younger trees.
Additionally he also sets a few traps, to have a few birds for dinner. Personally, I don't think I'd want to eat meat if it meant I'd have to catch it myself. Perhaps that might also shock a few people into becoming vegetarians, if they would have to catch their own meat....