Great American Barbeque: How many hot dogs can you eat? Maricopa indulges the binge eater in us all with a traditional barbeque complete with pie and hot dog eating contests. Not up for the challenge? Pacana Park’s Fourth of July celebration also includes a watermelon seed spitting contest, water slides, the Annual Great American Whiffle Ball Tournament and of course, a fireworks display. Admission is free. 6 p.m.-9 p.m. 520.568.9098, www.maricopa-az.gov.