Cassie.... Heart is playing at the Mountain Winery in Saratoga, CA. Pat Benatar is also playing there this summer.
It is the coolest venue ever. It used to be the Paul Masson winery. Only 3,000 seats or so outside and you can eat dinner at their restaurant before the concert. I highly recommend it
http://www.mountainwinery.com
http://www.mountainwinery.com/schedule.html