Blaise Castle is a picturesque folly located in Blaise Castle Estate, near Bristol, England. Built in the early 19th century, it was designed by architect John Nash and resembles a medieval castle, featuring towers and battlements. The structure was intended as a decorative feature for the estate and is surrounded by beautiful parkland. The castle is not a true fortress but serves as a charming landmark and a popular spot for visitors. The estate includes walking paths, gardens, and picnic areas, making it a lovely destination for families and nature enthusiasts exploring the scenic countryside.