©J. Holder/Visit Philadelphia
This historic park is one of the city’s five original squares—as designed by William Penn—and features Philly-themed mini-golf, playgrounds, the SquareBurger snack shack and the Parx liberty carousel. Philly mini-golf: $9, children (ages 3-12) $7, under 3 free. Carousel: $3, under 3 free. Daily at 10 am, closing hours vary by season, weather permitting.