Douglas Lake in Tennessee is more than a secluded spot for fishing and hiking—when water levels drop, visitors can search for sparkling quartz crystals.

TVA said the new line and substation are needed due to growing demand so that other nearby substations aren't operating over capacity during peak winter demands.

Imagine Las Vegas without casinos, Disney World without Florida, or a town of 3,577 that gets 12 million tourists a year. That is Gatlinburg.