Season 1, Episode 4
Wales
Air Date: 2014-11-13
Overview: Rob visits Europe's largest cave system underneath Brecon Beacon national park, the dungeons of Chirk castle and explores the hidden remains of Ruthin castle. He also abseils down a cliff in the Gower Peninsula to a cave reputed to contain the bones of a prehistoric prostitute.
Runtime: 45 minutes
0.0 / 5