Driving through the heartland of Oklahoma and Texas on I-35 can be a walk in the park. It can also be a trip down a river or a barbecue joint with a drive-through window. To find these gems, we assembled a crackerjack team of travel writers who’ve all lived in this region and sent them to drive the interstate again. The result? An exit strategy that highlights the best stops. So slow down, and put some fun in your trip.