Watch Modern Marvels: Aquariums: Windows on a Watery World (1997) : Full Movie Online Free This installment of the History Channel's "Modern Marvels" series dives into the history of the modern aquarium to reveal a wondrous world many people seldom see, providing an underwater experience that's "worth the wet." When the first public aquariums opened in the middle of the 19th century, they piqued the world's curiosity about ocean life; today's technological innovations in water filtration and window materials enhance the experience.