The Best Hidden Underground Secrets In The World, Underground Britain, Spark

Follow Rob Bell as he ventures into the hidden underground secrets of Britain, including an underground fuel tank that was crucial during WWII, and a rumored secret base for the Hell Fire Club from the 18th Century. This series follows Rob Bell as he travels across Britain to discover the most fascinating secrets that are 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: , Spark, WWII, Navy