Tree House Design with Winding Staircase Rises to the Challenge

From the heart to a quiet forest in Wilmington, Delaware, this contemporary tree house was admittedly a labor of love for architect Whitney Sander of Sander Architects. Built for her sister after the death of their father, this warm, wooden, wooded residence evokes the feeling of “home” surrounded by hundreds of hundred-year-old trees whose leaves join to create a leafy 150-ft. “ceiling.” With a