Dan Libman

We learn about Rockford's Test Site on this latest edition of Under Rocks.

Sometimes, the best way to fix something is to burn it down -- especially when it comes to natural areas choked with invasive plants. Things heat up for the Under Rocks crew as they tag along with Jack Pizzo and Associates for a prescribed burn at his house.

From sunrise in Thomson to fireworks in Chicago, Under Rocks host Dan Libman gets a good long taste of Illinois as he and four intrepid friends pedal their way across the Land of Lincoln.