The property also includes a 133-square-foot private guest house that’s set to one side of the house. It holds three bedrooms, a kitchen, and a laundry area—all of which is surrounded by four walls of glass and steel.  Photo 8 of 15 in A Thomas Phifer-Designed Glass-and-Steel Masterpiece For Sale

A Thomas Phifer-Designed Glass-and-Steel Masterpiece For Sale

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The property includes a private guest house that’s set to one side of the house. It holds three bedrooms, a kitchen, and a laundry area—all of which is surrounded by four walls of glass and steel.