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.
(..) I thought General Solohob is in charge of the export business. Solohob a bagman, a front. Your outdated information betrays you. The famous Black Widow and she turns out to be simply another pretty face. You really think I'm pretty? Tell Lermentov we don't need him to move the tanks. (..)2012 The Avengers