Machines That Built America

In the 1870s, harvesting crops is grueling work. But a group of dreamers - all of them rivals - has a vision that will change farming forever and create one of the world's most iconic machines: the tractor.[HISTORY Channel]

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.[HISTORY Channel]

In the 1920s, the idea of beaming moving images through the air is pure science fiction. But two daring pioneering see a different future, where people sit in front of screens, dazzled and engaged by what they see. [HISTORY Channel]

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.[HISTORY Channel]

Nikola Tesla is one of the most famous and successful thinkers of his day, single-handedly changing the way electricity is supplied and generated. Guglielmo Marconi is a young, uneducated Italian inventor...[HISTORY Channel]

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.[HISTORY Channel]

With a growing need for speed and efficiency, a few visionary companies--Black and Decker, Milwaukee, DeWalt--create the power tools that revolutionize how America is built.[HISTORY Channel]

With America plugging into electric power, a flood of innovation is not only changing industry, it's revolutionizing the home.[HISTORY Channel]