CTV Nature HD The new Viking Sea cruise ship whisks guests away on a journey across the Arctic Circle and into the heart of Norway. 2026-09-05 The Carnival Vista is the new flagship for one of the world's largest cruise lines, carrying more than 4,600 passengers and boasting 10 restaurants, nearly 2,000 staterooms and a crew of 1,400. 2026-09-05 America's transcontinental railroad helped transform the United States into a global superpower; cutting-edge engineering is behind high-tech railways to once again revolutionize travel from sea to shining sea. 2026-09-05 Experts and engineers, using technology, attempt to recreate the Statue of Liberty to compare construction methods as well as the final product. 2026-09-05 Stonehenge is an astonishing achievement of ancient construction that continues to baffle engineers thousands of years later; now, experts use the latest science to discover the logistics behind erecting another legendary monument today. 2026-09-05 America's transcontinental railroad helped transform the United States into a global superpower; cutting-edge engineering is behind high-tech railways to once again revolutionize travel from sea to shining sea. 2026-09-06