Old Westbury Gardens, a magnificent example of the finest in period landscape design and architecture in America. Built in 1906 by the English designer George A. Crawley, Old Westbury Gardens is the former home of John S. Phipps and his wife, Margarita Grace Phipps. The Charles II-style mansion is nestled amid 160 acres of formal gardens, landscaped grounds, woodlands, ponds and lakes.