America’s Book of Secrets (2014): S03E08 – Secret Underground


Introduction

Journalists and law enforcement officials reveal secrets linked to America’s past, which were previously not exposed to the public.

Outline

Americans may be aware of what is above ground, but do they know what is concealed beneath? And could subterranean facilities on US soil house secrets so dangerous, our government would stop at nothing to keep them hidden? We examine the tunnels, cities, and fortresses covertly constructed beneath the feet of the American public.

America’s Book of Secrets Series

You can find a full index and overview of America’s Books of Secrets here.

Production & Filming Details

  • Release Date: 17 May 2014.
  • Running Time: 44 minutes.
  • Rating: TV-14.
  • Country: US.
  • Language: English.

Video Link

 

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