The “Muscle Car Party of the Year,” the Street Machine Summer Nationals, rolls into the Minnesota State Fairgrounds in St. Paul (1265 Snelling Ave. N.) July 16-18. The festival is a celebration of horsepower that draws some of the most unique muscle cars in the world. Awards will be handed out, after Pro-Judging is completed in a wide array of categories, including the new Modern Muscle class. Cost: $12/online or $17/door, free/12 and under. Info: streetmachinenationals.net.