Thanks in part to one of the most famous streets in the world — and the first subway line in New York City running right underneath it — the Upper West Side transformed from a rural landscape to one of the city's most desirable neighborhoods seemingly overnight. But how exactly did the neighborhood change with the building of Broadway, and what relics of its storied past still exist? This is the story of one of New York's most storied neighborhoods, and the drama and scandals it had along the way.