Mentioned by 10Best
The absolute best free and entertaining things to do in Philadelphia
"Spruce Street Harbor Park is a pop-up park on Penn's Landing in Philadelphia. Offering fun amenities such as hammocks, lawn games, chairs by the water, food and drink options, music and good times to locals, visitors, friends, family and even strangers. There's so much fun to be had at this venue that all can leave friends when the night is over."