Rumors swirled that the president was building a "secret bunker" from which to hide from protesters or to serve a third term.

New satellite imagery and analysis by commercial geospatial intelligence firms indicate China is constructing at least two hardened air-defense complexes in the Tibet Autonomous Region, featuring ...

The fascist dictator built a ballroom in the garden of the Reich Chancellery in Berlin — beneath it was his first bunker.

In the weeks after the Ukraine invasion began, aircraft linked to Vladimir Putin took unexpected routes across Russia.

Amid the rubble and rancor memorializing where the East Wing of the White House once stood, President Donald Trump and his team are trying to dig out. Public outrage has been piling up over the sudden ...

An underground 20-mile complex of tunnels, shafts, underground railway stations and combat facilities built by the Nazis was ...