Almost every child has dreamed of having a treehouse. Some were lucky enough to have one, and some still haven’t lost this dream even if they are grown ups now. So what is it so fascinating about having a shelter up in the trees? Freedom, harmony with nature, wilderness, and most importantly – no rules. From the tiniest uneven constructions to the most magnificent mansions – every treehouse is perfect. Take a look at this collection of the most impressive pieces from all over the world.