Find me a kid (or adult) that hasn’t dreamt of building the most complex, over-the-top, bad ass treehouse and you’ll have no issue finding the Holy Grail. Treehouses remain an oddly enticing, yet typically unobtainable, desire for any imaginative kiddo. Modern technology and creative architectural minds have allowed ordinary one-room, 25-square foot treehouses to become 10-room, fully-livable 2,000-square foot mansions in the sky.

They usually require significantly more planning, time and upkeep but the finished product is worth every penny and second. Check out some of the most bad ass treehouses around the globe: