From Italy to Detroit, National Geographic goes inside world-class production facilities to reveal the blend of cutting-edge technology and Old World craftsmanship that goes into creating one-of-a-kind supercars.

What goes into the construction of Bentley's ultimate luxury car fit for royalty and rock stars? How was the Dodge Challenger — an American classic - rebirthed 40 years after its inception? Learn what goes into the production of the Porsche 911 — one of the most influential and recognizable vehicles in the world and find out what it takes to craft the fastest Mercedes yet. From Lamborghini's closely-guarded factory in Italy to Rolls-Royce's meticulous factory in Germany, Ultimate Factories takes you behind the scenes at the impressive factories where today's supercars are built.

Programs include: Porsche, Lamborghini, Rolls-Royce, Dodge Challenger, Maserati, Dodge Viper, Mercedes Benz, and Bentley.