SAN FRANCISCO — Days after the end of World War II, an American soldier entering the wreckage of Adolf Hitler's mountain stronghold found that fierce Allied bombing had left the "Eagle's Nest" in ruins. Hitler was dead, and other soldiers had already looted the inside of his private residence, even stripping the leather from furniture. Nearly everything of value was gone — except for the Fuhrer's globe. "Literally, the place is all bombed out and here this globe is sitting there on the desk," said John Barsamian, now 91. Now Barsamian is putting the artifact up for auction, along with...