Related Clues:
- O-O, in chess
- Structure with towers and parapets
- 'Harold & Kumar Go to White ___'
- Windsor, notably
- Fortified stronghold
- Clever move
- Calculated risk
- Setting for many a fairy tale
- Queen's quarters
- Chess move you can only make once
- Chess ploy
- Fairy tale abode
- Common miniature golf course feature
- Queen's ___
- Fairy-tale home