The Nazi Underground Tunnels: Hitler’s Ultimate Secret Weapons

Discover the hidden face of the Third Reich: a crazy, monumental project of underground cities and secret tunnel networks. To counter Allied bombings, the Nazis moved their armaments factories deep inside the mountains and forced hundreds of thousands of slave laborers into toil. From secret V2 weapons to Me 262 jet fighters and nerve gas Sarin production facilities, explore the remnants of this underground war machine that remained largely unknown to the general public. A fascinating and chilling deep dive into the best-kept secrets of World War II. ep1 00:00 ep2 52:01