Modern Marvels

Season 17 Episode 7

Secret Underground

Aired Wednesday 10:00 PM Dec 10, 2010 on The History Channel



  • Quotes

    • Narrator: They're mysterious, off limits and buried right under our feet. On the border a crack team of federal agents battle drug lords underground. Beneath a glittering sin city a vast network of tunnels protects a trillion dollar industry. Under a Tennessee town, subterranean scientists smash atoms at light speed. Now, it's time to unearth the surprising story of America's Secret Underground, on Modern Marvels.