Marland’s Grand Home, located at 1000 East Grand Avenue in Ponca City, Oklahoma, is listed on the National Register of Historic Places. It was the first mansion-style home of Ernest Whitworth Marland and his family. Designed by Solomon Layton, construction of the home began in 1914 and was completed in 1916. Designed in Renaissance Revival style, it covers 16,500 square feet and houses the first indoor swimming pool built in Oklahoma. The property originally included extensive formal gardens to the east and also a carriage house to the west. The home cost approximately $350,000 to build.