Painting of a canal with gondolas in the foreground

Truss bridge spanning a river

Subway train with a colorful mural on the side of it

Person walking through a tunnel with colorful lights illuminating the…

White paper with a coat of arms featuring a crown on top of it

Stone pillar in the middle of a grassy field

Old topographic map of the area of the city of San Francisco

Painting of a snowy landscape with trees in the foreground

Open book with four pictures of people working in a room