Yn yr ail bennod, Castell Powis sydd o dan sylw - castell crand yn y canolbarth wedi ei adeiladu gan dywysog Cymreig cyn troi'n dy moethus i'r Herberts. In the second episode: Powis Castle.
In the second episode, it's Powis Castle - a grand castle in mid Wales built by a Welsh prince before turning into a luxury house for the Herberts. In the second episode: Powis Castle.
