Inside Green Bank, West Virginia — the quietest place in America

Every week, Chuck Niday makes the rounds in Pocahontas County in search of rogue radio frequencies.

This 13,000-square-mile area in West Virginia is home to Green Bank Observatory — and known for being “the quietest town in America.” The observatory boasts the largest steerable radio telescopes in the world, used to measure invisible energy waves raining down on Earth, but in order to do its job, it requires complete electromagnetic silence.