The Cairnwood Estate is a historic mansion located in Bryn Athyn, Pennsylvania. Built in the early 20th century, it showcases the Beaux-Arts architectural style and was designed by the renowned architect Frank Furness. The estate features beautiful gardens and intricate stonework, reflecting the craftsmanship of its time. Originally constructed for the wealthy industrialist John Pitcairn Jr., the estate served as a family residence until the mid-20th century. Today, it is part of the Glencairn Museum and is open to the public for tours, offering visitors a glimpse into the opulent lifestyle of the early 1900s.