1. Doing the "Great Loop"! Circumnavigation of the Eastern USA by water. That means traveling by boat on Americas waterways starting in Florida (or any spot along the way) and using the rivers, lakes, streams, and intercoastal as your highway to travel as far N as Ottawa, Cn and back.
2. Reading the history books of the development of the USA and then visiting all the Cities and towns that still feature them in there tourist sites. Such as DC and all it's museums, Boston and seeing sites like the Old N church. Philly and checking out the Liberty Bell................
3. Travel the Great River road from top to bottom along the Mississippi River. Take a ride on a paddle Boat.
4. Don't visit just one National park. Visit them all!
5. Visit every State Capitol in the Nation. While you are there learn a bit about each state that you did not know.
6. Spend a week on a Farm, on a Ranch, in a Vineyard learning how we grow our food!
7.Go to South Bend and learn about the Amish! Or maybe Lancaster, Pa and buy some root beer from one of the Amish farmers!
8. Chicago, to visit the science Museum, Navy Pier, go to the top of the Willis tower, ride the El, take in a ball game, walk, walk, walk, Aquarium, etc. But make sure you take the Grandkids along.
9. Go pick some Cherries in upstate Michigan or Door County Wisc. and circumnavigate one of the Great Lakes on the same trip.
10. Hike the Appalachiation trail.
Is 10 all we get?