If you love outdoor adventures that come stunning scenery and a side of history, the Tunnel Hill State Trail in Southern Illinois needs to be on your radar. This 45-mile trail winds through forests, wetlands, farmland, and small towns. There is even a historic railroad tunnel that is over 500 feet long! We have explored several segments of the trail and it is always a pleasant ride and amazing adventure. Here’s everything you need to know before you go. History…