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.
(..) Maybe one day I'll... ...open my hand, get your attention, ask, "Are you watching closely?" Maybe a magic whirl or two. And then I'll be gone. How'd you get so famous then? Magic. - Oi! Borden, get back here! - Thank you. Shut up! (..)2006 The Prestige