The great pyramid of giza was built for the fourth dynasty pharaoh khufu (or cheops), and was completed around 2560 bce it is part of a complex of 3 large pyramids in the giza necropolis located in modern cairo, egypt the great pyramid is the largest of the three pyramids, and it is part of its own smaller complex that also contain 3 small pyramids that were built for khufu's wives. The three large pyramids of menkaure (l), khafre (c) and khufu loom over the horizon november 13, 2004 at giza, just outside cairo, egypt the three large pyramids at giza, built by king khufu over a 30-year period around 2,550 bc, are among egypt's biggest tourist attractions.
The pyramids of giza have left us gazing in astonishment and curiosity for four thousand years even after hundreds of years of archeological and scientific exploration, they’re continuing to surprise us a recent project has found striking “thermal anomalies” in the eastern side of the great pyramid of giza.
His great pyramid is the largest in giza and towers some 481 feet (147 meters) above the plateau its estimated 23 million stone blocks each weigh an average of 25 to 15 tons khufu's son, pharaoh khafre, built the second pyramid at giza, circa 2520 bc.
In regard to the great pyramids at giza, both egyptian pyramids and art history associate the great pyramids with their respective kings, in which the largest pyramid belonged to khufu, the center pyramid belonged to khafre, and the smallest pyramid belonged to menkaure. The first set of pyramids in egypt were named the pyramid of djoser, built from 2630 bc to 2611 bc in the 21 centuries, the mysteries of the pyramids continue to baffle some of the world's top archaeologists, architects, and professors of culture today. A thousand years after egypt built pyramids, the flame was rekindled in nubia, and today there are more pyramids in nubia than in egypt what's inside the great pyramid a side plan and outline diagram of the great pyramid's chronograph.
Although pyramid-building in stone continued until the end of the old kingdom, the pyramids of giza were never surpassed in their size and the technical excellence of their construction new kingdom ancient egyptians marvelled at their predecessors monuments, which were then well over a thousand year old. This placement means that each man, if all lifted equally, would be lifting 900-pounds obviously such a miraculous display of strength not only seems impracticable, but impossible these pyramids built by the egyptians 4,000 to 4,500 years ago are one of the seven wonders of the world. When greek historian herodotus visited giza in 450 bc, he was told by egyptian priests that the great pyramid had taken 400,000 men 20 years to build, working in three-month shifts 100,000 men at a time evidence from the tombs indicates that a workforce of 10,000 laborers working in three-month shifts took around 30 years to build a pyramid.
The ancient ruins of the memphis area, including the pyramids of giza, ṣaqqārah, dahshūr, abū ruwaysh, and abū ṣīr, were collectively designated a unesco world heritage site in 1979 the designations of the pyramids—khufu, khafre, and menkaure—correspond to the kings for whom they were built.
Great pyramid of giza from a 19th-century stereopticon card photo the pyramid remained the tallest man-made structure in the world for over 3,800 years,  unsurpassed until the 160-metre-tall (520 ft) spire of lincoln cathedral was completed c 1300.