I always find the iPlayer website a maze so having stumbled across these progs, I thought I'd share them:
https://www.bbc.co.uk/programmes/p02yxm4t - a selection of programmes
https://www.bbc.co.uk/sounds/play/b07525kg - Dougal Haston on climbing the Eiger
Thanks very much. I'm listening to Dougal right now.