1Pyramids of Giza, Egypt
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Arguably, the Giza necropolis is the most famous ancient site on the planet. The pyramids of Giza were constructed in a span of at least 3 generations, including Khufu, Khafre, and Menkaure. The oldest of the 7 Wonders of the Ancient World that remained until this day is the Great Pyramid of Khufu, where more than 2 million blocks of stone were utilized to build the magnificent structure.