PrincessVija,
I have only been to one presidential library - JFK's in Boston. There were wonderful exhibits and several short films. Personally, I think it's wonderful for children to see. Ours loved it and said they want to go back some day. During the last Republican National Convention in Philadelphia, there was a great exhibit that we went to as well. In those two trips, the kids learned more about the presidency than they have learned in their history books, (Nothing against their history books - there is just no comparison) , and they had fun in the process!
Does anyone know if you can take public transportation to the Nixon Library? We won't be renting a car.