Tolong jelaskan mengenai Bolsover Castle (Derbyshire) en dari Daftar kastel dan istana di Britania Raya

Bolton Castle (North Yorkshire) de | en

Bowes Castle (County Durham) en

Bramall Hall (Greater Manchester) en

Bramber Castle (West Sussex) en

Bramshill House *** (Hampshire) en

Breamore House ** (Hampshire) en

Bridgnorth Castle (Shropshire) en | no

Royal Pavilion, Brighton (East Sussex)ca | cy | de | en | es | fr | it | nl | no | pl | pt | ru | zh

Brockhampton Estate *** (Herefordshire) en

Brodsworth Hall (South Yorkshire) en