Pennsylvania, US
The Francis Farm Petroglyphs are a group of petroglyphs in southwestern Pennsylvania, United States. Located on a boulder in Jefferson Township in the northwestern portion of Fayette County, the glyphs have been known to archaeologists since at least the middle of the nineteenth century. Despite dam
age in the 1930s, they remain an important archaeological site, and accordingly, have been designated a historic site.
Listen to the audio guide for Francis Farm Petroglyphs Free on WIP — starts by itself when you arrive, even with the screen off