1026 Arch St., 2nd fl., 215/574-7630,
This well-known collaborative art space/gallery hosts quirky events and sometimes even doubles as a venue for indie bands, performances, and film screenings. It occupies two floors of space used by a community of local artists and art enthusiasts.
It often displays work that has roots in pop surrealism and comic books, and also specializes in screen printing. Unique shows such as a flipbook festival are not uncommon.
There are no official hours, but you can stop by anytime and ring the bell or call ahead to make sure someone is there to let you in.