It is the largest excavated underground city in the world and stretches more than 85 metres below the surface.

Air raids in World War II proved just how devastating aircraft could be. In response, militaries worldwide began digging deep ...

To help you make sense of the chaotic and secretive world of Paradise, we’ve broken down everything you need to know.

Apple TV+’s Silo, Amazon’s Fallout, and Hulu’s Paradise are, one, hugely popular (the former was granted a third season; the ...

Swimming pools and amusement parks can double up as air raid bunkers in Finland, which has 50,500 civil defence shelters.

With space for 6,000 people, the Merihaka shelter in central Helsinki houses an underground playground ... radiation and ...