PITTSBURGH—Ben Roethlisberger wasn’t born yet when the Dallas-Pittsburgh rivalry thrived with two 1970s-era Super Bowl matchups, back when the Cowboys first gained the nickname of America’s Team but the Steelers were America’s champions.

The Steelers quarterback gains an appreciation each day for what those Doomsday Defenses versus the Steel Curtain games meant not only to the nearly two dozen Hall of Famers who played in them, but the cities they represent.

The numerous pictures displayed at Steelers headquarters—and the two Super Bowl trophies earned by beating Dallas...

Log-In to view full story or view our Registration Guide.