From the bloggers at Gypsy Journal RV.
Allentown: The Mack Truck Historical Museum displays a collection of vehicles made by the Mack Truck Corporation, including a 1900 Mack bus and a 1918 Mack fire truck.
Allentown: The America on Wheels Museum is dedicated to telling the story of America’s love affair with not only automobiles, but anything that moves. Exhibits cover everything from antique automobiles to muscle cars, motorcycles, and commercial vehicles.
Altoona: Altoona was the heart of the Pennsylvania Railroad in the 19th century. At the Railroaders Memorial Museum, a large collection of vintage rail cars are on display.
Altoona: Five miles west of town on State Route 4008, Horseshoe Curve is an engineering marvel. Carved into a mountainside in 1854, the curve allowed steam engines to climb over the steep Alleghany Mountains. Exhibits at the Visitor Center tell the story of the project and the Observation Platform provides dramatic views of trains passing through the curve.
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