Bison at Midewin National Tallgrass Prairie. (USDA Forest Service)

July is National Bison Month — who knew? Here’s where you can catch buffalo roaming, close to home, in Illinois and Indiana.

Bison are once again roaming Illinois prairies. It's been more than 175 years since the last wild bison died in this state, but as of October they are back, thanks to The Nature Conservancy project in western Illinois called Nachusa Grasslands.

A bison conservation herd makes its way to Illinois to help protect the landscape.