We are busy learning about rocks and minerals. One great family trip to explore different rocks is Amicalola Falls and/or Dahlonega. They are only about 1 1/2 hours from Kennesaw and offer lots of fun for the entire family. Here are some websites to learn more: http://ngeorgia.com/parks/amicalola.html
http://gastateparks.org/net/content/go.aspx?s=64.0.1.5
http://www.gastateparks.org/info/amicalola/