Lollapalooza: Summer music festivals

Posted: 5:23 PM EDT May 10, 2011   Updated: 2:00 AM EDT 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.