Betws-y-Coed, Charlton Horethorne, Polperro, and Penclawdd: In Betws-y-Coed in the heart of Snowdonia, Alex gets adventurous. Penelope horses around in Charlton Horethorne, Juliet reels in the catch of the day in Polperro in Cornwall, and on the Gower Peninsula, Patrick digs for cockles in Penclawdd.