Lollapalooza: Summer music festivals

POSTED: 5:23 PM May 10 2011   UPDATED: 2:00 AM Aug 02 2013

Lollapalooza starts today in Chicago, Illinois. From the mountains of Colorado to the forests of Milwaukee, this summer will be jam-packed with some of the best music festivals ever. Find out more about these events that spotlight everything from alternative rock to jazz -- and have spawned their own festival cultures.