1953 ... more of the big and strange!

"... sooo - we need to Zorch stuff with radiation from all directions and that sort of important national security sort of stuff!"

... built in 1953, the Tower Shielding Facility at the Oak Ridge Nuclear Reserve is one of those very big things built so that the mad-scientists could give young boys nightmares. A whole lot more info from this LINK

all images- Right click- open in New Window or Tab = super colossal size!