(TrendHunter.com) This elongated holiday home is located on the “gentle volcanic slope of Hawaii’s Big Island.” The property is designed by San Francisco-based firm Walker Warner Architects and is named Hale Mau (TrendHunter.com) This elongated holiday home is located on the “gentle volcanic slope of Hawaii’s Big Island.” The property is designed by San Francisco-based firm Walker Warner Architects and is named Hale Mau