Malahide Castle, parts of which date to the 12th century, lies, with over 260 acres (1.1 km2) of remaining estate parkland (the Malahide Demesne Regional Park), close to the village of Malahide, nine miles (14 km) north of Dublin in Ireland. The Talbot Botanic Gardens, situated behind the castle, comprising several hectares of plants and lawns, a walled garden of 1.6 hectares and seven glasshouses, including a Victorian period conservatory. [source: wikipedia]