Pyramids of Egypt The Pyramids at Giza, just outside Cairo, are the only remaining wonder of the Ancient World. Over 4000 years old, they are one of the most impressive sights anywhere in the world. What do you know about the Pyramids? When were the Pyramids at Giza built? How high is the Great Pyramid of Khufu? What shape is the base of the Great Pyramid? How many people visit the Pyramids at Giza every year? In which other countries can pyramids be seen?