21 great wonders of the world
Reader's Digest takes you to the world's greatest creations, from the natural to the man-made. When the urge to build conspires with a vision of beauty, man creates an enduring legacy that is seen in the Colosseum, Machu Picchu, the Great Wall, the Kremlin, Versailles, the Statue of Liberty, the Eiffel Tower, and Mount Rushmore. Nature reveals its magnificence in many different and special ways, as shown by the Grand Canyon, Iguazu Falls, the Ama...