Suspension bridges, characterized by their suspended decks and intricate systems of chains, cables, and towers, have played a pivotal role in connecting cities and advancing engineering prowess. Notable examples include the Chain Bridge in Budapest, the Ketternbrücke in Hamburg, and the Menai Suspension Bridge in Wales. These structures showcase the contributions of renowned engineers and the innovative use of materials like wrought iron, cast iron, and steel. Their historical significance lies in enabling the expansion of cities and facilitating trade, while their unique features and engineering challenges continue to captivate engineers and architects alike.