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

Straw Forward

A sculpture built entirely of discarded plastic is highlighting the impact of single-use plastics.

Body of Work

It’s art...with an unexpected canvas!

Here Lies...

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