Charleston, SC: then and now

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

• Rainbow RowThirteen houses painted in pastel colors that were once nearly a slum.
• Old ExchangeA colonial building that was a prison, a post office and a tea warehouse.
• White Point GardenA seaside park full of cannons and mortars at the tip of the city.
• St. Michael's ChurchThe oldest surviving church in Charleston, with a steeple that guided sailors.

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