Hot Ticket: Lollapalooza: Arctic Monkeys
Perry Farrell's pioneering mobile music festival settled down in Chicago's lakeside Grant Park in 2005. It's bigger (some 75,000 fans), but the deep, eclectic lineup is now some 120 bands strong. Check out the Kidzapalooza stage, where headliners often play surprise jam sessions.
Don't Miss Kings of Leon, Depeche Mode, Tool, and Delta Spirit, a southern-blues-flavored alternative band. Three
Intermission Take a 90-minute train out to Beverly Shores ($7.50; nictd.com) and hike the singing sands of Indiana Dunes National Lakeshore (nps.gov/indu).
Crash The modernist Hard Rock Hotel (where else?), around the corner on Michigan Avenue, hosts after-hours parties in its ballroom (hotel/pass/after-party packages from $775; hardrockhotelchicago.com).
Also This Month All Points West, Jersey City, New Jersey (July 31August 2).