Some of the best things in life really are free—even here in a big city like Philadelphia! You just have to know where to look. Our Free Fun Things to Do in Philadelphia Guide lists loads of no-cost classes and camps for kids, plus info on when you can visit family destinations like museums and zoos for free.

We've also got the scoop on plenty of free things to do, including the best free annual festivals, free indoor movies, free places to play inside, and more.