The hotel is 'famous as' the place where the treaty was signed.
a 'famous' entertainer/explorer/athlete/politician
The hotel is (justly) 'famous for' its luxury.
(..) Who said that? What does that even mean? Doesn't matter. I said it 'cause he said it, so now if he was famous, then it's basically getting said by two well-known guys. I don't uh... Let me start again. Let's track this from the beginning. Half-hour 'till the ball drops. (..)2013 Iron Man 3