October 23, 2014 • 45m
In this episode, Rob Bell discovers the gruesome secrets hidden in an ancient Scottish cave, a 1950s engineering wonder buried ins...Read more
October 30, 2014 • 45m
This week, Rob reveals a mysterious side to Englandʼs capital that very few people ever get to see. Beneath the bustle and noise o...Read more
November 6, 2014 • 45m
In this episode, Rob explores two natural wonders in the Yorkshire Dales - a mile of caves and one of Britain's deepest potholes. ...Read more
November 13, 2014 • 45m
Rob visits Europe's largest cave system underneath Brecon Beacon national park, the dungeons of Chirk castle and explores the hidd...Read more
November 20, 2014 • 45m
Under the city of Nottingham Rob explores the largest system of man-made caves in the country, before uncovering a bloody secret b...Read more
November 27, 2014 • 45m
Rob explores a mystical cave system that altered Victorian Britain's view of human history before entering a once top-secret bunke...Read more