From the New York Times: Up, Up and Away.
Shara and Scott Di Valerio wanted to build a deck for their hot tub, a place to relax in the woods on their five acres east of Seattle. But at some point, as they found themselves up in a stand of fir trees with a majestic view of Mount Rainier, their perspective shifted. What began as a 12-by-12-foot platform grew into a virtual treehouse complex: hot tub, living room (with phone, cable, Internet), writing alcove, observation platforms. Despite its inviting suspension bridge and 100-foot zipline, this is no kids’ tree fort. A typical evening among the gently swaying firs involves several grown-ups, a dip in the hot tub, Champagne and a few rounds of canasta. "It’s a way to be in nature," Shara Di Valerio said. She let out a deflating laugh and quickly added: "Although it’s a luxurious kind of nature. It isn’t camping." [continue]
Sounds good to me.