Hitler’s final days were spent in the so-called Führerbunker, a subterranean bomb shelter complex beneath the Reich ...

Caitlin, from California, lives in an underground bunker on her ... but when she walked down the stairs to open the bunker door, he was still standing at ground level. 'I asked, are you coming ...

like an underground bunker with a concrete-filled metal door, a collection of 11 tree houses connected by rope bridges and some extreme security infrastructure. The report, which cites building ...