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: https://goo.gl/LIrlur 🚀 Join the Spark Channel Membership to get access to perks: https://www.youtube.com/channel/UCMV3aTOwUtG5vwfH9_rzb2w/join Find us on: Facebook: https://www.facebook.com/SparkDocs/ Instagram: https://www.instagram.com/spark_channel/ Any queries, please contact us at: owned-enquiries@littledotstudios.com #Spark #cave #underground