When: August and September
Location: Nashville, Tenn.
As if you needed another excuse to head to Nashville, the city puts on a free concert series every autumn. During August and September, Music City residents can head to Public Square Park for four consecutive Thursdays to catch some of the biggest names in rock playing for free. 2015 will see performances from big names like Passion Pit, Ben Folds, Cold War Kids, Shakey Graves, and more.