The World's 30 Strangest and Most Secret Military Bases

WATCH MOST Secret Bases – Governments DON’T Want you Knowing About.

The world's hodgepodge of military bases runs the gamut from hazardous mountaintop forts to seemingly impenetrable underground bunkers. Then there are bases on remote islands tracking objects in deep space and high-tech laboratories probing the most lethal microbes in existence. We tracked down some of the most interesting active military facilities and spoke with Brad Schulz, vice president of federal architecture at HNTB, about why they're notable.