2. Plane Pioneers

In 1910, airplanes are a novelty, fragile wooden concoctions that float in the air--and crash. But that doesn't stop two young dreamers with a passion for this newfangled machine from imagining a very different future: one in which planes carry millions of passengers across the country, even across the seas. To realize that vision and create a lucrative new market, William Boeing and Donald Douglas take on automobile titan Henry Ford, infamous Dutch aviation giant Anthony Fokker--and each other.

3. Titans of Television

A ruthless mogul takes on a little-known inventor in a high stakes battle that will change the world forever, asking the question of whether a farm-boy can beat a titan with endless resources.

4. Motorcycle Kings

At the end of the 19th century, private travel means taking a walk or riding a horse. But scrappy upstarts William Harley and Arthur Davidson have a bold vision for a new form of transportation--connecting a motor to a bicycle. They'll take on George Hendee's Indian Motorcycle in a classic David Vs. Goliath battle, fighting to dominate a market valued at more than 7 billion dollars today, the rivals will push their machines to the limit and tap into the lure of the open road.

5. Telephone Wars

In the 1870s communicating with distant family requires sending a letter, and waiting days or weeks for a reply. The telegraph is faster, but too expensive for most people. When communication giant Western Union offers a colossal cash prize to anyone who can improve its network, two daring inventors go head-to-head in a fight that will forever change the way humans connect. Alexander Graham Bell and Elisha Gray will stop at nothing to lay claim to the new technology and dominate the market.

6. Power Tool Showdown

7. Tesla vs. Marconi

Two rival inventors have the same idea for improving things: wireless communication.

8. Home Tech Revolution

With America plugging in to electric power, a flood of innovation is not only changing industry, it's revolutionizing the home; the new technology makes housework easier and gives women opportunities to work outside the home.