Powerama 1955: When GM Ruled The Earth They Put On The Greatest Horsepower Show of All Time

In 1955 General Motors put on a show called Powerama which was dubbed as the World’s Fair of Power and it was incredible. Bulldozers, tractors, dump trucks as swimming pools, show cars, and more. 2.2 million people attended the show over the course of a month...and it never happened again. This is the story of that show.