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.
(..) - You are both in trouble. But- But if we- Do what is necessary... and conventional. I am calling in outside help. The famous French detective who recovered the Pink Panther the last time it was stolen. What was his name? Clouseau. Inspector Clouseau. You have a license? (..)1975 The Return of the Pink Panther
(..) From the dynasty of Akbar the Magnificent, and for over a thousand years our nation's religious symbol, the Pink Panther. Largest and most famous diamond in the world. Irreplaceable. Its value cannot be estimated in terms of money. Isn't the museum worried that someone might steal it? (..)1975 The Return of the Pink Panther