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

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

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

A military effort to stop Iran from building a nuclear weapon requires heavy bombs to strike its bunkers. That's where the US ...

The Narcisse Snake Dens in Manitoba, Canada, are home to the world's largest concentration of snakes, where 75,000 red-sided ...

So where do you see yourself living the rest of your life? The richest among us are keeping their options all open. On the ...

On this "Face the Nation with Margaret Brennan" broadcast, moderated by Margaret Brennan: U.S. trade representative Jamieson ...

The GBU-57’s size and weight alone distinguish it from other munitions, but its true significance lies in its ability to bore ...

Iranian talks in years offer a diplomatic opening, but deep mistrust and military preparations threaten progress Read F ...