Join us for our free Open House! A day of creativity for all ages showcasing the arts at Maryland Hall featuring art & dance demonstrations, live entertainment, exhibitions, hands-on activities, children’s crafts, and more.. Following ArtFest, the US Naval Academy Band will present a free concert at 4 pm. Registration recommended for concert. ArtFest is a proud part of Four Rivers Heritage Area’s Maryland Day Celebration, a three day weekend full of great family activities across heritage sites throughout Annapolis and Anne Arundel County. All activities are free or $1.