greatest architects, landscapers, decorators and firms were employed, including Stanford White, John Russell Pope, Guy Lowell, and Carrère and Hastings. Architectural styles included English Tudor, French Chateau, Georgian, Gothic, Mediterranean, Norman, Roman, Spanish, and combinations of these. Rooms, outdoor structures, and entire buildings were dismantled in Europe and reassembled on the North Shore. Complementing the great houses were formal gardens, gazebos, greenhouses, stables, guest houses, gate houses, swimming pools, reflecting pools, ponds, children’s playhouses, pleasure palaces, golf courses, and tennis courts. Activities such as horse riding, hunting, fishing, fox hunting, polo, yachting, golf, swimming, tennis, skeet shooting and winter sports, were held at the estates or exclusive clubs nearby such as the Beaver Dam Club, the Seawanhaka Corinthian Yacht Club (1871), Meadow Brook Club (1881), Manhasset Bay Yacht Club (1892), Piping Rock Club (1912), and Creek Club (1923). Privacy was maintained with the huge land holdings, hedges and trees, fences, gates and gate houses, private roads, and lack of maps showing the location of the estates. Post-War era Following World War II many Gold Coast mansions were demolished and their estates subdivided into suburban-style developments. Only about 200 of the original 500 survive. As fortunes faded some of the largest or most prominent Gilded Era showpieces, such as Daniel Guggenheim's Gould-Guggenheim Estate, Theodore Roosevelt's Sagamore Hill, William Vanderbilt II's Eagle's Nest, the Alexander P. de Seversky Mansion, Otto Kahn's Oheka Castle, and John Shaffer Phipps' Westbury House were turned into museum homes, conference centers, and resorts. Others repurposed for non-residential uses include Herbert L. Pratt's Glen Cove country home, "The Braes", turned into the Webb Institute, Walter Chrysler's Kings Point estate, "Forker House", turned into the United States Merchant Marine Academy, and U.S. Steel heir Childs Frick's "Clayton" the Nassau County Museum of Art. Geography Delineated perceptually by the Queens-Nassau border, the North Shore is marked by a series of necks (peninsulas) and populated harbors. North Hempstead, Oyster Bay and Huntington Towns comprise the land ownership of this area, which is noted for its preservation of Gilded Age Estates. Beyond here, the North Shore becomes Towns of Smithtown and Brookhaven, where a similar trend of peninsulas and sheltered harbors are the sites of hamlets and towns such as Stony Brook, Port Jefferson, Wading River, etc.. Once the island splits into two forks at its east end, the North Shore's hills largely flatten out (and enter the Town of Riverhead) to