The Vietnam War began in 1965 and lasted for eight years. This video explores the innovative design of the Viet Cong tunnels, which were resilient against bombs and planes. It combines the experiences ...

Were These WW1 Underground Tunnels The Worst Place To Fight?' The creation of man-made underground tunnels played a huge role ...

From Narnia to Alice in Wonderland, Britain’s best adventures begin with hidden doors or secret tunnels — and this is a tale with both. Behind an unmarked blue door in London’s Chancery Lane, the ...

Gareth Fuller/PA Wire/AP Photo — -- A series of previously closed-off tunnels used during World War II that run along a part of England's coast have been excavated and reopened. The tunnels, ...