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.
(..) Whoa! This is the biggest house I've ever seen! It's the Palace of Versailles, home of Marie Antoinette. You know, she was mostly famous for one thing. Cake! I love cake so much. Marie Antoinette sure likes cake, Mr. Peabody. Oh! (..)2014 Mr. Peabody & Sherman