headquarters in Detroit failed to sell at an October auction ... The property opened in 1927 as a factory for the Kelvinator Corporation. Over the following decades, Kelvinator merged with ...

We've seen plenty of video tours of barns full of abandoned cars, but it's not often we get tours of whole automotive factories ... cradles and shipping them to Detroit using Boeing 747s.

Below Detroit's streets is a network of tunnel systems almost as elaborate as the bustling metropolis that sits above it.