It's an incredible natural phenomenon that happens in just a few places in the world. For one week in the summer, synchronous fireflies put on a breathtaking show in Pennsylvania's Allegheny National Forest. WQED photojournalist Dave Forstate follows a group of still photographers setting up in the darkness to capture tens-of-thousands of lightning bugs as they flash in harmony.

More WQED Digital-First Features

Here Lies...

A walk through Homewood Cemetery can be like a walk through the region's Black History.

Horse Haven

WQED visits this sanctuary in Ohioville, PA - where humans care for horses during their final days.

One Simple Gift

Here’s the story of a box containing one simple gift..that’s just right for the man who receives it.