Indiana has done pretty well with its state parks, preserving some worthwhile areas and generally providing decent information and adequate facilities. In the late eighties and early nineties, the parks were severely understaffed and underfunded, due to the usual political stupidities in the state capital. There is some movement toward improving this situation now, and there are even a few new parks opening. Don't forget to sign the guest registers at any parks you visit, and keep in touch with your state legislators (use small words so that they will understand) to keep the Indiana park system from deteriorating again. State parks and the single National Park Included here are generally speaking not wilderness experiences. These are the places where most people in the state go to get in touch with nature, and they tend to go all at the same time, so the State and National Parks are crowded. Go with this in mind, and remember that tolerance and understanding will help everyone get some benefit from these places. For more, or at least different, information on state parks, look in on the Indiana DNR.  For further National Park info, try the US Parks Department.