Don't forget:
The Billy Graham Library NC
Allow a full day and have questions ready for a fun test on the way home. It's important for family members to read and remember as much as possible from this valuable resource. Make sure you have Scripture available explaining what happens to people who neglect the study of God's word.
Museum of Biblical Art TX
How necessary it is to remind young learners how to distinguish idolatry from legitimate art. There are several passages in The Bible explaining this and modern applications are important, for example what is the status of a 3D-printed object? Depending on where you live there should be plenty of time to find those Scriptures on the way there. A good Bible search engine will give you a checklist and why not make up a fun song to sing, stating all prohibited methods of manufacture?
The Holy Land Experience FL
Did the Christian faith originate in Judaism or from a merger between Greek pagan temple cults? This question is waved around by secularists and syncretists and heretics in general to detract from The Truth declared to set us free. Satan does not want us to be free. He wants us to do just what he says just the way he says to do it, or else. “Or else what?” is a question often heard in the homeschooling environment and this is one place answers may be gleaned.
Museum Of The Bible Washington D.C. (some extra learning tips)
Heathen nations have nothing like this. But heathen ideas are nothing new. From savages to cannibals, pagans to the Báb, what can there ever be, other than despair. Satan knew this well, when he set up those evidence-free belief systems; happily God has set out very clearly the results of following lies. Make sure your family know these and prepare a pictorial card with blanks to mark off each unpleasant outcome as spotted during your trip.
This is why homeschooling is so important, or a doctrinally sound Christian school if one can be found. Imagine if you heard, “Wow! This new friend at school is a Baháʼí (witch) and explained how Jesus is actually Mohammed and Buddha (at the same time) and, and, did you know there's this coool lesson plan we could try out from Shoghí Effendi (a wizard) can we? can we? And she gave me this lovely doll with 18 arms to adore. Let's put her on the table and adore her now go on, go on, and let's make our own Baháʼí prayer before it gets dark because she's Jesus too!” This is what pluralism (heresy) and multiculturalism (witchcraft) want everyone to learn.
Now are you going to wriggle around on the floor to adore the golden floozie? Or are you never going to face such an outburst because of correct education and a thorough understanding of God's responses to witchcraft, wizards and every idol. Museums can be a real boon here and the few I've posted with some fun learning tips will get things started on warm summer days.