The Piper Aviation Museum in Lock Haven, PA promotes the history and legacy of Piper Aircraft. It houses over 22 Piper airplanes, including the famous J-3 Piper Cub, plus several one-of-a-kind planes. Piper Aviation is considered to be one of the major general aviation companies in the U.S.
Little League Museum, PCN Tours
PA Trolley Museum, It's History - Pennsylvania's Neighborhood: Washington
Altoona Railroaders' Memorial Museum, It's History - Pennsylvania's Neighborhood: Altoona