The Great Pyramid at Giza Seven Wonders of the Ancient World The Great Pyramid of Giza is about 4,500 years old, and is the only ancient wonder still standing. Until the early 1800's, the Great Pyramid at Giza was the tallest building in the world!  The Great pyramid is nearly 800 feet long, 450 feet high, and built with over two million of blocks of stone. The average weight of each stone is about 2,500 pounds - around the same weight as a car!   Pyramids The Great Pyramid in PowerPoint format (pppst) Games & Sites to See Free Presentations in PowerPoint format  Free Clip Art To learn more, click on the map below  All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!