
Maritime mysteries -- old and new -- come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world. Innovative technology allows viewers to see what lies on the floors of large bodies of water such as the Gulf of Mexico, the Nile, the Indian Ocean, the Baltic Sea and the Atlantic Ocean as if they had been drained. Then, in a quest to explain natural wonders and man-made catastrophes, stories tell of how vessels sank, what ancient geological formations reveal about life on Earth, where Nazi secrets now reside, and why so many continue to search for the legendary city of Atlantis.

Lost wrecks reveal how the Mob gained power and wealth in the 1920s America.

From Patagonia to Canada, paleontologists uncover the Real Jurassic Americas.

Chicago's extraordinary past emerges from the waters of Lake Michigan, including a deadly disaster and an engineering marvel.

Forgotten wrecks from the American Revolution are discovered in the United States; cutting-edge computer graphics drain away the water and shed new light on the struggle for independence.