Here's a great link with ideas for getting the kids outside for an hour a day...http://www.greenhour.org/content/activity/detail/4643
Still sizzlin' here in Virginny...this session of 'Art in the Park' in the continuing 100+ degree temps made for slow hiking.
Fortunately I had remembered to bring along a spray water bottle so that everyone could get misted and refreshed as we moved along the winding wooded path. First Landing State Park
has a Native American fishing camp recreated along the Cape Henry Trail so we had the excitement of discovering dome shaped thatched 'houses' of varying sizes every few hundred yards. There's a good shot of one here:
As we came around a curve in the path, with the first structure just ahead, the girls squealed and bolted for its entry. Dashing in and quickly popping their heads back out through the empty doorway they called in dismay "Miss Iona, It doesn't have any air conditioning!"