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Science and Space
Main Health and Human Body Earth Space Prehistoric World A-Z

Rhine River Valley, Germany

Lighted boats ply the Rhine River through Saint Goar, Germany. The town sits in the central Rhine Valley, parts of which were declared a U.N. World Heritage site. The area's castles, historic towns, and vineyards give it historic and cultural significance.

Photograph by Bernd Mellmann/Alamy