There are plenty of parks and trails around town, from the famous Riverwalk in Hillsborough to the historical Haw River trail. This week on “Tu for Two,” Chela enlists the help of two experts on outdoor fun: Trey and Izzy! Together, they investigate a relatively new park in Saxapahaw — that just so happens to be on a small island, complete with a giant wooden fish. Or is a whale?