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.
(..) Come on, put your hands up. Those are my guns. How did they get my guns? Do you understand me? Do as I do. He says, "Welcome, Tony Stark, the most famous mass murderer "in the history of America." He is honored. He wants you to build the missile. The Jericho missile that you demonstrated. (..)2008 Iron Man
(..) They've been dry-cleaned and pressed, and there's a car waiting for you outside that will take you anywhere you'd like to go. - You must be the famous Pepper Potts. - Indeed I am. After all these years, Tony still has you picking up the dry-cleaning. I do anything and everything (..)2008 Iron Man