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.
(..) at a fashion magazine? - Mm-hmm. - What was it, a phone interview? - Wow. - Ow! Don't be a jerk. Miranda Priestly is famous for being unpredictable. Okay, Doug. How is it that you know who she is and I didn't? - I'm actually a girl. - Oh! (..)2006 The Devil Wears Prada