Fonthill Castle

Fonthill Castle is a historic mansion in Pennsylvania, built between 1908 and 1912 by the eccentric millionaire Henry Chapman Mercer. Made primarily of concrete and constructed with a medieval-inspired design, it features numerous towers, courtyards, and unique architectural details. Mercer designed the castle as his personal residence and a working museum showcasing his collections of tiles, inscriptions, and artifacts. Today, Fonthill is a National Historic Landmark and part of the Mercer Museum site, offering visitors insight into early 20th-century architecture, decorative arts, and Mercer’s artistic legacy.