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.
(..) How is your father? He was a brave man. May I ask why have you come to us from across the sea? I come to kill your monster, and to taste that famous mead of yours. There have been many brave men, who have come to taste my lord's mead. And many who had sworn to rid his hall of our nightmare. (..)2007 Beowulf