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.
(..) Treasure hunter Brock Lovett is best known for finding Spanish gold... lt's okay. l'll feed you in a minute. He's chartered a Russian sub to reach the most famous wreck of all: Titanic. He's with us live via satellite from the Keldysh in the North Atlantic. -Hello, Brock. -Hello, Tracy. (..)1997 Titanic