Related Clues:

• Holds
• Buildings built on sand?
• Royal residences
• Strongholds
• Queens' homes
• Royal homes
• Rooks
• Chess rooks
• Sand structures
• Chess foursome
• Dials etc up for fortresses
• Obtrudes into outer fortifications
• Fortresses overlooking cities
• Large and stately mansions
• Don't build the chess pieces in the air