423 Backdoor Balkans; World War I Travel Sites; Kraków

As Europe observes the centennial of the "Great War," learn about the WWI sites you can visit to better understand American doughboys' role on the battlefields. We'll also share tips for visiting Kraków, the cultural and spiritual capital of Poland. And we'll get insider advice for enjoying WWI sites in some less-visited corners of the Balkan Peninsula.

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