Fuller Lodge, Los Alamos

The Manhattan Project took over the Fuller Lodge, which was designed, built, and owned by the Los Alamos Ranch School for boys. It was converted from the boy's dormitory and dining hall to the scientist's meeting area, dining hall, and nurse's office. This is the dining area where the great physicists, like Oppenheimer, Fermi, and Feynman would meet for meals and high level discussions.
These days the Triangle Park in Raleigh, North Carolina is famous for having the most PhDs per square mile of any city in the U.S.. I would venture to say that the Fuller Lodge had the most Nobel Prize winners per square mile of any place in the U.S., or perhaps the world.