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.
Škvorec Chateau building (or, rather, its preserved part), standing on a small rocky hillock, has a ground plan in the shape of a broken letter "U", with sides about 26-17-13 meters long, with the longest wing forming the southern side. All wings of the building are two-storeyed; in the southeast corner there is a gate, above which a small turret towers. To the gate leads a stone bridge (with two arches) over the former castle moat. Škvorec Chateau Škvorec Chateau (; or "Schkworetz") is a chateau, formerly a minor castle, located in small market town of Škvorec, Central Bohemia, about east of