secret arsenals — and even flammable moats. Ron Hubbard, the chief executive of Atlas Survival Shelters, runs one of many companies that designs and builds bunkers for wealthy clients.

When a top-secret Nazi base is discovered in France decades after the war ends, experts use cutting-edge tech to reveal the secrets of this compound; what they find could change everything we know ...

Shocking documents declassified by the CIA have revealed a secret mission to find ... finding a burnt body suggesting Hitler took his own life in a German bunker in April of 1945, documents ...

Two Nazi-era bunkers were built in Hamburg ... The proposal came a year after the headquarters of the Gestapo, the Nazi’s secret police, reopened as a luxury space housing boutiques, offices ...

What Did WWI Soldiers Leave Behind in Their Secret Bunkers? The French-German border is littered with as many as 500 underground sites used during World War I. Researcher Jeff Gusky explores them ...

As we fly above the infamous battle sites of D-Day and Dunkirk, soar over hidden Nazi bunkers, and glide across lost battleships and sunken shipwrecks ...

As it was a top-secret site housing RAF Fighter Command 11 Group, there are no known wartime photographs of how the bunker looked above ground. However, a new study of historic aerial photographs ...