The Great Pyramid of Giza, part of Memphis and its Necropolis, UNESCO World Heritage-listed since 1979, was built for Pharaoh Khufu around 2580-2560 BCE using an estimated 2.3 million limestone blocks and roughly 100,000 skilled workers over 10 to 20 years. At its original height of 146.5 meters, it was the tallest structure on Earth for 3,800 years, and it remains the only one of the ancient world's Seven Wonders still standing today. Uniquely among pyramids, it contains three separate chambers, one cut into the bedrock and two built up within the masonry itself.
Rather than a vague description of enormous scale, the Great Pyramid's documented status as the tallest structure on Earth held for a genuinely measured span of nearly four millennia, not an approximate superlative.
Of the original Seven Wonders of the Ancient World, the Great Pyramid is the sole surviving one, a genuine, singular distinction rather than one example among several comparable ancient structures still standing.
Its chambers were both cut into bedrock and built up within the masonry, a specific architectural feature genuine and unique to the Great Pyramid, not a standard design shared across Egypt's other pyramids.
The Giza Pyramid Fields sit on the Giza Plateau on Cairo's outskirts, a short drive from the city center.
Cairo rewards understanding the Great Pyramid's documented height record and its singular status as the last surviving ancient Wonder. Historic Cairo and the Egyptian Museum are covered in full below.
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