We will uncover the surprising origins of ocean liners in steam engine technology and how visionaries like Isambard Kingdom Brunel revolutionized maritime travel. We will learn about the challenges and risks faced by pioneers in the 1830s, leading to the creation of the first purpose-built ocean liner, the Great Western. Follow the evolution of transatlantic passenger services, from the impact of World War I to the development of steam turbo-electric propulsion, transforming ocean liners into cruise ships and military transports.