My kids have iPads.I can't imagine anything my kids would have hated more than spending 7 days in a car and cheap hotels while looking at boring "history and nature" when they were young. It was all we could do to get them to go on the Freedom Trail in Boston. However, mine were boys and it was pre-Ipad days so no movies in the car. Maybe girls are different.
We just got their test scores back and according to the system they are in the 90+ percentile. Their favorite books are Nat Geo Interesting Facts. They really do enjoy learning new things. Always asking me for riddles and dad jokes. Love listening to podcasts - there is one called Smash Boom Best where kids debate things like Superman vs Wonder-woman and French Fries vs Mac'n'Cheese - in a formal, game-show type format.
You remember "punch bug X color" when ever you see a VW bug? Well, now it is "yellow car." Every time you see a yellow car you get a point. We plan to play a 7 day long yellow car game.
I can definitely see how some kids (and adults) would be easily bored. But we are a weirdo, nerdy crew for sure.