You’d think that a building big enough to hold a couple dozen Mack trucks would be easy to find. Uh-uh. The Mack Trucks Museum is hidden away on the back side of Allentown’s Queen City Airport, nestled on a hilltop overlooking the scenic Lehigh Parkway.
There’s a reason for the subterfuge that makes finding this gem a little like participating in a road rally where you have to find and follow clues to reach the prize – it used to be the Test Center and Track where Mack developed their new …