The Giza Pyramids, built to last, have. The 4,500-year-old monumental tombs are from Egypt's Old Kingdom.
Around 2550 B.C., Pharaoh Khufu started the Giza pyramid project. The Great Pyramid is Giza's tallest at 481 feet.
Each of its 2.3 million stone blocks weighs 2.5 to 15 tonnes.
The third Giza Pyramid is much smaller. Pharaoh Menkaure's mortuary temple was more complex.
Each gigantic pyramid is part of a complex with palaces, temples, solar boat pits, and more.
Pyramids built and maintained ancient Egypt. Giza opens a lost world.
Tomb art shows ancient farmers farming, fishing, fowling, carpentry, religious ceremonies, and burial activities.