Question: Would it harm a tree if I built a simple tree house in it? It would be nothing elaborate: a deck, three walls and a roof. I was thinking of the nails that would have to be used to make firm ...

POP Projects is a collection of new and classic projects from more than a century of Popular Mechanics. Master skills, get tool recommendations, and, most importantly, build something of your very own ...

Cocoon Tree is a spherical aluminium structure that weighs only 130 pounds. Rigged up with ropes and secured by nets, the structure has 12 locking points for both the suspension and for lateral ...