In 1804 Lewis and Clark started on an expedition from St. Louis to the Pacific Ocean.  They traveled eight thousand miles by foot, boat, wagon, and horse discovering parts of the western United States previously unknown to anyone but the Native Americans. 

 Pretend you are going on your own grand discovery trip without the help of modern maps and communication.  Think with the children about all the important things to pack. Or go on a short discovery trip in the neighborhood and look for things you may have never noticed before.