It is a beautiful hotel. The bunkers are cool.
We stayed there once during the Reagan Administration but I believe that was before the existence of the bunkers was public knowledge. In any case, I don't remember knowing about them or seeing them.
The Greenbrier was used in World War II as an internment location for Japanese, German and Italian diplomats and their families and staffs stranded in the U.S. after the U.S. entered the war.
The luxury location was selected so that the Japanese, German and Italian Governments would treat American diplomats stranded in those countries equally well.
A Privileged Few Under War Time Conditions
This part of the link was amusing. :-)
"There were mandatory daily roll calls ordered by the FBI where Germans and Japanese were always on time, the Italians always late."