Extra Credit Questions

[Eva Elisabeth]

Very smart guess and fascinating info, Laurie! The answer is, I'm sorry to say, not correct, but you are on the very right track as for where to find the clue of my hints. The Colossus might have served as a sort of lighthouse, too, but looked rather like this:
   
Hint #3: Think lighthouse (again)! (And -additionally, no wonder- library!)
Hint #4: "Location" only refers to the city/village/place where the hotel/boardinghouse was located, not to the name of the building.