Johnstown Castle is a historic estate located in County Wexford, Ireland. Built in the 19th century, it features a striking Gothic Revival architecture and is surrounded by beautiful gardens and parkland. The castle was originally constructed for the Esmonde family and has a rich history tied to the region. Today, Johnstown Castle is part of the Irish Agricultural Museum, showcasing agricultural history and heritage. Visitors can explore the castle's impressive grounds, which include ornamental lakes and a variety of plant species, making it a popular destination for tourists and history enthusiasts alike.