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.
(..) - Okay. - I'll see you at noon. All right. Bye bye. - She's out getting stuff. She's having another one of her famous New Year's parties tomorrow night. How are you? Are you happy these days? I'm okay. (..)2008 Two Lovers