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.
(..) And all I had to do was drive around the neighbourhood - - and point at a house and say: "The bad guys are in there." Trying to be funny? Yes. I am the famous comedian Arnold Braunschweiger. - Schwarzenegger. - Gesundheit. May I help you? Yes. Could I speak to the drug dealer of the house? (..)1993 Last Action Hero