For time immemorial, humanity has sought to outdo itself architecturally, building longer tunnels, taller towers, and stronger walls. Now, the Master in Civil Engineering program at Norwich University has compiled a definitive top ten list of these impressive structures. In the following infographic, you’ll find some familiar entries - such as the Great Wall of China and the Hoover Dam - as well as some lesser known greats, like the Qingdao Haiwan Bridge. Spanning over 2000 years of architectural ingenuity and invention, this list is sure to teach you something new about the most impressive engineering projects of all time.