After watching this video, I exclaimed, “Oh wow, how did I never know this?” So, I decided to share it with my viewers, and also add some interesting facts and other videos about the beautiful city of Venice. How Was Venice Built: An Engineering Marvel Primal Nebula – How Was Venice Built? The Medieval Engineering Behind Venice Venice: Building Beauty from a Swamp – a very detailed view of the history, architecture, and current problems including global warming and increasing water levels.