Second Sundays on Mill is back! Join Downtown Tempe on the Second Sunday of Nov., Jan., Feb. and Apr. for an outdoor market, live music and entertainment, snack vendors, pop-ups, activations, seasonal themes and plenty of fun for the entire family. From 10 a.m. to 3 p.m., this outdoor market lines Mill Avenue (between 3rd Street and University Drive) with homemade goods and gifts from local Arizona artisans, crafters and makers and more.