Elm Court, Lenox, MA. Listed NRHP 1985. Built 1885 as Berkshire summer home of William Douglas Sloane + Emily Thorn Vanderbilt, members of the Vanderbilt family. Designed by Peabody & Stearns with garden + landscape design by Frederick Law Olmsted; Elm Court is the largest American Shingle Style house in the US with 106 rooms. The last of the Berkshire cottages to have remained in the family of its original owners, until its sale in 2012.