Picture this: you’ve waited years to get into Congaree National Park’s annual firefly event. On the night you finally get to go, as you’re ooh-ing and ahh-ing at the beautiful twinkling fireflies, you ...
A synchronous firefly event in Tennessee's Great Smoky Mountains National Park. Photinus carolinus fireflies annually flash in sync during late May or early June. CREDIT: National Parks Service. Get ...
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