Hiding Underground

Formed in 1974, Subterranea Britannica is a society devoted the the study and investigation of man-made and man-used underground places in the UK. Cold War related material is covered separately here: COLD WAR -Bunkers etc. Subterranea Britannica brings together people with an interest in all types of underground space - from deneholes to dug-outs and from souterrains to subways - see the sites pages. As the list shows, there are at least seventy categories of underground excavations that are of particular interest to members