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.
Subsidiary structures of the Palace of Versailles lavish banquets. Accordingly, Trianon-sous-bois was remodeled to provide modern living accommodations and the basement was completely renovated to accommodate modern professional kitchens. The Grand Trianon has been designated an official residence of the French president and often serves as a residence for visiting heads of state. It was during the presidency of Jacques Chirac that Trianon-sous-bois was opened to limited public tours. Located near the Grand Trianon, the Petit Trianon was built between 1762 and 1768 by Jacques-Anges Gabriel for Louis XV. The area that is now the Petit Trianon came to prominence when Louis XV established his "jardins botaniques"