Complex sentence: The Jenny Wiley Theatre is located in Prestonsburg and offers theatrical productions all year long at both the outdoor Jenny Wiley Amphitheater, located within the Jenny Wiley State Resort Park, and the nearby Mountain Arts Center.
Split into simpler sentences: The Jenny Wiley Theatre is located in Prestonsburg at the Jenny Wiley State Park. It offers theatrical productions all year long at both the outdoor Jenny Wiley Amphitheater, located within the Jenny Wiley State Resort Park, and the nearby Mountain Arts Center.