Leave your guesses in the comments. The full photo and location will be revealed with next Tuesday’s puzzle. The winner gets bragging rights.
Though several readers guessed the Smithsonian castle for last week’s puzzle, the correct answer was Luther Place Memorial Church at N Street and Vermont Avenue, Northwest, just north of Thomas Circle. Commenter IMGoph guessed it correctly—he says he bikes by the church every morning on the way to work. Great job!