Amrywiaeth hynod o drysorau — dewch i gael eich dallu! Cewch ddarganfod celf, daeareg a hanes natur. Gyda rhaglen newidiol o arddangosfeydd a digwyddiadau, mae rhywbeth i syfrdanu pawb, beth bynnag sy'n mynd â'ch bryd — ac mae mynediad am ddim!
Discover art, natural history and the geological evolution of Wales. With a busy programme of exhibitions and events, we have something to amaze everyone, whatever your interest – and admission is free!