⌂Great Valley House of Valley Forge - 300-yr. old stone farmhouse bed & breakfast in Valley Forge, PA. Built in 1690 we are close to Philadelphia, Lancaster & Brandywine and area colleges include Villanova U, Bryn Mawr, Haverford & Swarthmore colleges. Antique & quilt-filled with hand-stencilling, private baths, full gourmet breakfasts, swimming pool, 4 landscaped acres.