Hellfire Club: The 18th-Century Secret Society Hidden To All | Underground Britain | Spark

This week, the expedition took Rob Bell to central England to discover the secrets beneath the surface. Watch as he reveals Nottingham’s gruesome medieval past through hundreds of underground caves, working with the men who prepare for life or death underground rescues, investigates a rumored secret society hidden under Buckinghamshire, as well as discovers the secrets of a long-lost stone-age mine. --- This series follows Rob Bell as he travels across Britain to discover the most fascinating secrets hidden beneath the surface. --- Subscribe to Spark for more amazing science, tech & engineering videos: 🚀 Join the Spark Channel Membership to get access to perks: Find us on: Facebook: Instagram: Any queries, please contact us at: owned-enquiries@ #Spark #cave #undergro