The fireflies' annual synchronous light show in the woods of Great Smoky Mountains National Park is something to behold. It's a sight you don’t want to miss, even if you weren’t one of the lucky ...

You don’t have to wait until July to see the sky light up with an inspiring spectacle. Like Independence Day fireworks, this show is sure to inspire oohs and aahs all around. The synchronous fireflies ...

GATLINBURG, Tenn. — The Great Smoky Mountains National Park announced the dates of its annual synchronous firefly viewing opportunity at Elkmont this year. The viewing window is Thursday, May 29 ...

An iconic show put on annually by rare fireflies that flash in unison will excite viewers from afar this year. Hundreds of “synchronous” fireflies light up the sky each year in the Great Smoky ...

Add Yahoo as a preferred source to see more of our stories on Google. A spectacular natural phenomenon is set to light up two of America’s most beloved national parks this spring and summer.