Kids especially adore this landscaped urban discovery tucked along the Parkway. The site stars a Children’s Discovery Garden, pebble-bottomed boat pond, the Logan Square Café, an eco-smart branch of the Independence Visitor Center, a pint-sized hill that evokes the Wissahickon Valley and a programmed fountain that pays tribute to Philadelphia’s 11 sister cities. On warm Thursday nights, music lovers bring their own bottles and snacks for picnics and performances. Center City District maintains and programs the park. 18th Street & Benjamin Franklin Parkway, (215) 440-5500, sistercitiespark.org