Detroit, MI: then and now

4 real landmarks in Detroit, each with an old photo you can fade into today's view. Find four landmarks around Detroit. 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.

• Fisher BuildingA 30-story art deco tower with a roof that glows gold at night.
• Campus Martius ParkThe spot where every Detroit road number begins.
• Detroit Institute of ArtsA whole room painted by a famous muralist, and a priest-approved scandal.
• Michigan Central StationA skyscraper train station that sat empty for 30 years, then came back.

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