Large brick building with two large doors and stairs leading up to it

Black and white photo of a river in the snow

Large military plane flying through a blue sky with its landing gear…

Painting of a man in a fur coat

Old book with a drawing of a man in a hat and a woman in a dress

Construction worker wearing a helmet standing on the side of a road…

Black and white drawing of a building with people walking around it

Building with glass walls and windows

Old map of the city of San Francisco