Interestingly, the largest abandoned factory in the world, the Packard Auto Plant in Detroit, was opened in 1903 and shut down in 1958, long before Detroit's fo

Interestingly, the largest abandoned factory in the world, the Packard Auto Plant in Detroit, was opened in 1903 and shut down in 1958, long before Detroit's fortunes actually turned. And the factory was in use for five and a half decades, hardly a failure.