Shade and parking can be hard to find here, sunken into the cityscape just behind Ponce City Market. But the latest in equipment—from saucer swings to wild climbing apparatuses to weird spinning . . . things—offers kids hours of entertainment; the compact layout makes it easy for parents to keep a watchful eye; and the soft rubber surface throughout the playground takes the pain out of would-be scrapes (not to mention Dad's creaky knees). Plus, two words to escape the summer heat: splash pad.