Explore some of the world’s largest nuclear bunkers, from Cold War relics and secret Chinese nuclear shelters to a government bunker built for the US Congress ...

During World War II, about 200 concrete bunkers for Nazi soldiers were built along the Danish coast. Denmark's largest was the Tirpitz Bunker, which measured 7,500 square feet and was located in ...

When the world starts to wobble, some people grab flashlights. But the rich ones dig deep into the Earth and emerge with subterranean sanctuaries built like Bond lairs. For the wealthiest, bunkers ...

The U.S. bombers that attacked Iran's nuclear sites dropped GBU-57 Massive Ordnance Penetrators, bunker-busting bombs designed to destroy hardened underground targets, for the first time in warfare.

UK's Royal Air Force Drops Largest Bombs Yet on ISIS The strikes, which occurred April 21, targeted a large complex of tunnels and bunkers in the terraced hillsides above the Euphrates in western ...