Viewed as one of the most heinous crimes to ever have occurred in American architecture, the demolition of Pennsylvania Station served as a turning point for historic preservation in the United States. With the destruction of McKim, Mead, and White’s Beaux arts masterwork, Penn Station’s underground tracks and modified mezzanines still survived, but only as a shadow of their previous selves. Gone was the light spilling through triumphant glass archways and elegant classically styled columns—a fitting gateway to New York that allowed one to enter “like a god.” Instead, one now “scuttles in like a rat,” navigating the subterranean labyrinth...