Peter, Kathy and Abby Holcombe will travel on a 40-stop tour to celebrate the 100-year anniversary of the U.S. National Park Service. WinnebaGoLife readers can expect a steady dose of inspirational adventure throughout the next 18 months as bloggers Peter and Kathy Holcombe ,along with their daughter Abby, embark on a 40-stop tour to celebrate the 100-year anniversary of the U.S. National Park Service.