Along the lower Susquehanna River, carved into exposed rock shelves and river islands, sits one of Pennsylvania’s most remarkable Indigenous heritage sites: the Safe Harbor petroglyphs. In this episode, we take a deep dive into these ancient stone images, created primarily by the Shenks Ferry people roughly 800 to 1,200 years ago. Animal tracks, human figures, and other powerful symbols appear across the rock, and some carvings even seem tied to the sky, aligning with seasonal markers like solstices and equinoxes.

We’ll trace the long, complicated story of how the petroglyphs were recorded, studied, and fought for, from early 1800s documentation and plaster casts to the modern reality of dams, shifting water levels, and environmental wear. Most importantly, we talk about what these carvings are and what they are not: not “prehistoric graffiti,” but part of a ceremonial landscape with real spiritual and cultural weight. We’ll also explore how people can experience them today, from guided kayak trips when the river cooperates to surprising echoes of the carvings preserved in public art, including mosaics in the Pennsylvania State Capitol. And we’ll end with the only appropriate takeaway: if you visit, do it with humility. These aren’t just artifacts. They’re messages still sitting in the current.

Click here to schedule your visit to the Safe Harbor Petroglyphs.

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