Bison made Indiana’s first highway. It started at the Falls of
the Ohio near modern-day Clarksville where the beasts came together to cross the Ohio River at its shallowest
point. It ended near Vincennes, where they scattered to graze on Illinois prairie grass.
If you look closely, you can still see signs of the Buffalo Trace.
“You kind of have to know what you’re looking for,” says Teena Ligman, public affairs specialist for the U.S. Forest Service. She describes the remnants as trail beds or trenches that, to an untrained eye, might appear the work of human labor rather than hooves.