Across Europe, many countries have networks of bunkers that can hold millions of people and clearly publicised emergency ...

What could they possibly be hiding? From military hardware to evidence of life on other planets – these intriguing ‘top ...

Secret information hidden in this toilet was collected periodically by Harry Houghton. In 1961 he was sentenced to 15 years ...

Pictures have revealed the interior of a former Cold War radar station believed to be the country's longest occupied. RAF ...

Germany’s aging and decrepit bunker network is in need a major overhaul, according to the head of the federal agency tasked ...

Once a torpedo testing site, a 1950s circular tank in London’s Royal Bushy Park has been transformed into Rotunda, a ...