Twice a week, players gather for free games in Rittenhouse Square, where a club that started with one chessboard has grown into a community.

Connecting the Delaware River and Schuylkill River trails via Spring Garden Street is part of a larger project connecting bike and walking trails from Florida to Maine.

Twice a week, players gather for free games in Rittenhouse Square, where a club that started with one chessboard has grown into a community.

Billy Penn joined Wednesday Night Rides and Skype a Scientist to help boost biodiversity in Philadelphia.

These citywide events are a low-stakes way to meet people and combat loneliness.