AN underground "spy city" beneath London filled with the nation's secrets could be opened to the public. A mile-long series of tunnels dug during the Blitz in World War 2 is being lined up to ...

This major London underground station has a catacomb of tunnels deep under street level where explorers can get a glimpse of unsuspecting passersby. The ghostly platforms that once served the ...

London Underground tunnels make up the majority of the subterranean transport network in the UK captital, but sometimes certain sections of the Tube are dismantled, left to rot, shut down ...

Impressively, the bunker also had its own railway station connecting it to the main rail line between Bristol and London for those ... Also still preserved in the underground network are murals ...