- Medieval Castles
- Bodiam Castle features iconic quadrangular design with misty moats
- Bamburgh Castle spans nine acres with 14 public rooms
- Warwick Castle was built by William the Conqueror in 1068
- Lindisfarne Castle transformed from Tudor fort to Edwardian holiday home
- Raby Castle spans 200 acres with Gothic vaulted ceilings
- Royal Castles
- Windsor Castle is world's oldest occupied castle since 11th century
- Tower of London serves as fortress, palace, and prison
- Dover Castle has 2,000 years of history with underground hospital
- Edinburgh Castle dominates Scottish capital skyline
- Notable Victorian Castles
- Hampton Court Palace showcases Tudor and Baroque architecture
- Highcliffe Castle built between 1831-1836 in Romantic style
- Highclere Castle served as hospital during World War I
- Chatsworth House rivals fortress grandeur as 16th-century royal residence
- Other Notable Castles
- St Michael's Mount is tidal island accessible via causeway
- Caernarfon Castle features distinctive polygonal towers
- Warkworth Castle combines medieval fortress with hermitage chapel