You surely have already heard about the seven wonders of the world, but have you ever heard about the seven engineering wonders of the world? In fact, nowadays it isn’t enough to say seven wonders of the world because there are several types of “seven wonders of the world”: there are ancient wonders, natural wonders and engineering wonders.
In this article I would like to focus on the seven engineering wonders of the world, but first here are the ancient ones, as categorized by Philo of Byzantium in 250 B.C.: the Great Pyramid of Giza, the Colossus of Rhode, the Lighthouse of Alexandria, the Mausoleum at Halicarnassus, the Statue of Zeus, the Temple of Artemis, the Hanging Gardens of Babylon. The only ancient wonder still standing is the Great Pyramid of Giza.
