Take to the sky with the dreamers whose work gave humans the ability to fly. From Leonardo da Vinci's "flying machines" to the modern commercial plane, without these inventions, we may have never left the ground.

Go for a ride through the 9,000-year history of the car, from its roots in dogsleds to Henry Ford's affordable and assembly line-built Model T, and meet the scientists working on the next generation of self-driving automobiles.