Paul Morigi, Invision for Virgin Mobile, AP Images Concert-goers at the 2012 Virgin Mobile FreeFest on Saturday, Oct. 6, 2012 in Columbia, Md. Over the past three years thousands have flocked annually to Merriweather Post Pavilion in Columbia, MD to help raise nearly $600,000, generate more than 75,000 hours of volunteer time and create ...

Theo Wargo, Getty Images The third and final day of Lollapalooza 2012 felt like an adequate summation of the hot, wet and wild atmosphere that served to thrill and test exhausted concertgoers at Chicago's Grant Park all weekend. The now-legendary storm that forced Lolla organizers to make the unprecedented move of evacuating tens of thousands ...

Theo Wargo, Getty Images Those opposed to the urban set-up of Lollapalooza often bemoan the weekend-long festival's lack of outdoor campgrounds and accompanying "vibes." Little did they know that by the end of Lolla 2012's second day, they would receive a Bonnaroo-sized injection of mud -- as well as people making the absolute most of it. ...

Steve Mitchell, Invision/AP The usual hustle and bustle surrounding Chicago's historic Grant Park in early August manifested itself once again, as it does perennially. The eighth Lollapalooza festival based in Chicago and the 21st overall shut down roads and brought tens of thousands of weekend revelers armed with an insatiable appetite for ...