Summer camp at home: Week 3 -- America, the Beautiful

There's a long holiday weekend ahead! Independence Day is next Monday. I know lots of folks will be traveling or barbecuing with friends and trying to stay cool. In my plan to keep my boys entertained and learning something for the 10 weeks of summer at home, we're going to keep things simple this week -- not too many activities, both to recoup from my baby's birthday party last week and also