Terrific Treehouses You Might Be Scared To Sleep In (Slideshow)

It makes sense that we would show treehouses on TreeHugger, but surprisingly, there are none by the German firm Baumraum, who have built them around the world. Their existing oeuvre, is worth a look.

But their unbuilt works, their visions of what could be, are spectacular and sometimes scary.

Tags: Germany

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