DAYS OUT UNDERGROUND

This is the definitive guide to the best days out underground. From caves to nuclear bunkers, sewers to secret railways, as well as abandoned mines, ancient crypts and labyrinthine tunnels, these unique tourist attractions are a journey through Britain's hidden history going back thousands of years. Travel writer Peter Naldrett explores each location with evocative, light-hearted text that reveals the fascinating history of why it came to be constructed, or how it was first discovered. As well as information about facilities and accessibility, Peter also includes essential advice about how to get there and when to go.