Built in 1890, the Westinghouse Castle was designed by Frederick J. Osterling. Osterling is well known for his work around Pittsburgh. The most prominent Osterling building is probably the Union Trust Building. The Westinghouse Castle, was never actually a castle or a residence. This building served as an office building for the Westinghouse Air Brake Company.  From 2006 until 2013, the Westinghouse Castle was used as a museum and could be rented for events. John Graf, who runs the Priory Hospitality group, purchased the Westinghouse Castle last summer.  The Priory Hospitality group plans to redevelop the castle as a boutique… Read the rest