Filoli, an early 1900s country place in Woodside, is now managed by the National Trust for Historic Preservation. It is an example of an historic designed landscape. Photo © Bill Grant, 2002     The California Garden and Landscape History Society (cglhs) is a non-profit, 501-C-3 organization dedicated to celebrating the beauty and diversity of California’s gardens and cultural landscapes. Purpose to encourage interest in, study of, and education about Californi ...