Ready?
Nah, that's wrong. That one is as well. Give up?
He went to the fictitious National Science Museum. A museum as real as a person campaigning for Senator on the National Mall.
We do have a National Academy of Sciences, but you have to be asked to join that. We used to have a National Museum of History and Technology, but first that metamorphosed into American History, and then got named after a billionaire a few years back.
Maybe he'll go to the National Museum of the Bible next!
Plus ça change, plus c'est la même chose.