This mystery building proved no challenge at all for BLove, who correctly guessed that it's the former 160th Regiment State Armory, better known these days as the California Science Center's Wallis Annenberg Building for Science Learning and Innovation. There was a big clue in front of the building that most readers easily recognized: the Exposition Park Rose Garden. The building hosted the fencing competition at the 1932 Olympic Games, but for about the last 10 years, it's been home to classrooms and open-air space used by the Science Center.
· Hint: Where was This Military Building in 1920? [Curbed LA]