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.
(..) ...into the best prison library in New England... ...complete with a fine selection of Hank Williams. That was also when Warden Norton... ...instituted his famous "Inside Out" program. You may remember reading about it. It made the papers and got his picture in Look magazine. It's no free ride... (..)1994 The Shawshank Redemption