Courtesy photo Irish Pennsylvania Railroad Workers operate machinery during railroad construction in the 1850s. The world famous Horseshoe Curve continues to be considered a modern marvel.

There’s a certain satisfaction waking up in a comfortable bed trackside. I’ve always liked being near the railroad overnight.

Courtesy photo The system of tunnels, dams and channels visible around the famed Horseshoe ... The Pennsylvania Railroad built its main shops for repair and fabrication near the Curve, which ...