It’s twilight on a warm May evening at the Congaree National Park in Hopkins, South Carolina. A wooden boardwalk weaves through cypress knees, and towering loblolly pines. A viewing platform holds the ...

You don’t have to miss out on the synchronous fireflies spectacle! Here’s how you could see them without a Great Smoky Mountains National Park pass.

For years, the synchronous fireflies at Congaree National Park were a local secret. During a short window each spring, a special breed of firefly called Photuris frontalis lights up the national park ...

Every year, starting around mid-May, a mesmerizing natural light show takes over Congaree National Park as synchronous fireflies flash in perfect harmony. This rare and breathtaking spectacle draws ...

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.

Synchronous fireflies, known as Photuris frontalis, blink in the woods near the Congaree River on Wednesday, May 15, 2024, in Columbia, S.C. Congaree National Park holds an annual event for visitors ...