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.
(..) It's beautiful. It's amazing. Oh, wow! I like the kitchen. - It's great. - Yeah. This house belonged to a very famous designer. What's his name? Well, they say he's gonna be the next Versace. A lot of the things inside and the furniture were designed by him. - We have seven bedrooms... (..)2007 Goal II: Living the Dream