a celebration of the coolest cars in history. ford was born 150 years ago this week. and he didn't invent the car but developed and manufactured the first car that middle-class americans could afford. >> and developed the assembly line technique of mass production and revolutionized the industry. >> a lot of people think ford made the first mass-produced automobile. it's not true. it was an oldsmobile. >> check it out. this baby called the curved dash oldsmobile. produced in 1901. no steering wheel. it used a tiller like in a boat. >> the initial cost, 650 bucks and it was delivered by train with a sales representative on board to present the new owner personally. >> man, where is the engine in that thing. >> where is the steering wheel. the most expensive car ever sold, well, it wasn't sold from a showroom at an auction. >> wow, 1954 mercedes-benz w-196 formula 1 racer, final price, at auction, 29.5 million bucks.