Bill Broadhead says his family's second home – what he calls "Mid-Century mountain" – works best when it is full of guests. Beyond its six bedrooms and a bunk room that sleeps 13, common areas give guests plenty of room to spread out and enjoy the views. He gives us a tour. Photo: Bill Broadhead WSJ Mansion Tour one-of-a-kind luxury homes and mansions, as homeowners and architects break down the amenities, rooms and design features that make these real estate marvels unique. #WSJ #Mansion #Architecture