INDIO, CA - APRIL 14: Musicians Flea and Anthony Kiedis of Red Hot Chili Peppers perform onstage during day 3 of the 2013 Coa
Christopher Polk/Getty Images

The second annual Firefly Festival is headed back to Dover, Delaware, June 21-23. 

Red Hot Chili Peppers, Tom Petty, Vampire Weekend and Foster the People are headlining the weekend, but there's plenty of other acts to catch if rock isn't your thing. Hip-hop fans can stop by sets from Kendrick Lamar, Azealia Banks, Action Bronson and Earl Sweatshirt and ravers can twirl their glow sticks for Calvin Harris, Zedd and Krewella

Check out the full lineup and pick up tickets on And here is where Dover, Delaware is. (In case you're planning a road trip. Or terrible at geography.)