Marble House includes Marble House and many other historic Newport mansions, was added to the Register on December 8, 1972 and subsequently designated as a National Historic Landmark District on May 11, 1976. Marble House is one of the earliest examples of Beaux-Arts architecture in the United States, with design inspiration from the Petit Trianon at the Palace of Versailles. Jules Allard and Sons of Paris, first hired by the Vanderbilts to design some of the interiors for their Petit Chateau on Fifth Avenue in Manhattan, designed the French-inspired interiors of Marble House. The grounds were designed by landscape architect Ernest W.
Le Petit Trianon design for Le Petit Trianon was drawn from classical French architectural motifs popular in America at the end of the 19th century. It is also the only example of "V" rustic redwood construction remaining in the area. The name Le Petite Trianon stems from its similarities to the architecture of "Le Grand Trianon," built for Louis XIV of France. Similar detail to this French precedent can be seen in Le Petit Trianon's columns, pilasters, windows and wood window shutters. In 1909, the mansion was sold to Harriet Pullman Carolon, daughter of George Pullman, inventor of the Pullman sleeping car. Carolon