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Widely known as "the capital of the New South," bustling, modern Atlanta is a city that constantly redefines itself. Once a sultry antebellum outpost—and then a charred ruin in the wake of General William T. Sherman’s 1864 march to the sea—Atlanta is today a cityscape of glittering high-rise towers (more of which seem to pop up every week), and both a center of world news (CNN is headquartered here) and international business (the city’s airport is the busiest in the country). See the slideshow.