Mythical TV series His Dark Materials - starring Hollywood starlet Lin-Manuel Miranda - includes Caldicot’s Dewstow Gardens and St Govan's Chapel, Pembrokeshire
Ar y gyfres deledu chwedlonol His Dark Materials - gyda'r actor adnabyddus Lin-Manuel Miranda - gwelwyd Gerddi Llanddewi ger Caldicot a Chapel San Gofan, Sir Benfro