Biggest tree house – You can build a tree house, even if you do not have a tree. Create your own customized tree complete with artificial limbs, then build your castle in the air. Garnier limbs and a processed log provides the backbone of your tree house. Build a biggest tree house without a tree, dig a hole 4 meters deep and 2 meters wide. Place the log treated in the hole. Prepare the upright log by means of a 2-by-fourth. Ensure that the log file is level and just about to hang a plumb bob from a spirit level on top of the log….