San Francisco, CA: then and now

4 real landmarks in San Francisco, each with an old photo you can fade into today's view. Find four landmarks around San Francisco. At each one, check in to earn its badge, unlock its story, and collect a Time Card. Do them in any order. Everything stays on this phone.

• Golden Gate BridgeThe bridge with a color the Navy did not want.
• Ferry BuildingA clock tower that outlasted a freeway.
• Coit TowerA tower paid for by a woman who loved firefighters, full of 1934 murals.
• Palace of Fine ArtsA fake Roman ruin that got rebuilt for real.

Written from sources; not yet walked on site unless a stop says otherwise.