Throughout Yorkshire many castles were built during the Norman-Breton period, particularly after the Harrying of the North. These included Bowes Castle, Pickering Castle, Richmond Castle, Skipton Castle, York Castle and others. Later medieval castles at Helmsley, Middleham and Scarborough were built as a means of defence against the invading Scots. Middleham is notable because Richard III of England spent his childhood there. The remains of these castles, some being English Heritage sites, are popular tourist destinations. There are several stately homes in Yorkshire which carry the name "castle" in their title, even though they are more akin to a palace. The most notable examples are Allerton Castle and Castle Howard, both linked to the Howard family. Castle Howard and the Earl of Harewood's residence, Harewood House, are included amongst the Treasure Houses of England, a group of nine English stately homes.
There are numerous other Grade I listed buildings within the historic county including public buildings such as Leeds Town Hall, Sheffield Town Hall, Ormesby Hall, the Yorkshire Museum and Guildhall at York, and the Piece Hall in Halifax. Large estates with significant buildings were constructed at Brodsworth Hall, Temple Newsam and Wentworth Castle. In addition to this there are properties which are conserved and managed by the National Trust, such as Nunnington Hall, the Rievaulx Terrace & Temples and Studley Royal Park. Religious architecture includes extant cathedrals as well as the ruins of monasteries and abbeys. Many of these prominent buildings suffered from the Dissolution of the Monasteries under Henry VIII; these include Bolton Abbey, Fountains Abbey, Gisborough Priory, Rievaulx Abbey, St Mary's Abbey and Whitby Abbey among others. Notable religious buildings of historic origin still in use include York Minster, the largest Gothic cathedral in northern Europe, Beverley Minster, Bradford Cathedral and Ripon Cathedral.