The death and life of the industrial corridor linking New York and Washington.
This article is a great example of analyzing the landscape to observe changes in any given place. This corridor is home to 8 of the 10 wealthiest counties; at the same time this transportation corridor is also home a half a dozen of the country's most broken cities. Exploring this area is way to analyze the changing economic geographies of the United States. For a visual representation of these same themes, see this 5 minute video that corresponds to this NY Times magazine article.