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.
(..) - Hey, isn't that that girl from that time? Remember? Oh, yeah, the one who wanted a photo with you because you were famous for fucking your students? Yeah, that made me feel awesome. - Good times, dad. - You should go talk to her. She's all by her lonesome over there. (..)2014 TvShow: Californication Title: Grace Season: 7 Episode 12