Add Yahoo as a preferred source to see more of our stories on Google. Alex Levine / Getty Images In an era of tree house vacation rentals and biophilic design, it’s no surprise that simple backyard ...

Even with the countless, marvelous distractions facing kids these days (Wii, iPhone, “Two and a Half Men”), a tree house still holds a certain pull. It’s that thrill of transport, escaping to that ...

One hundred feet down a suspended footbridge and 20 feet into the branches of a massive silver maple tree, you pass through a rustic wooden entryway to a one-story structure and end up feeling a world ...