I'm just getting back to this thread! Thanks for the great responses everyone!
***********-kids have seen the Air/space museum inSeattle, so I will put Natural History 1st on list and American History 2nd (if we have time)
Midge79--How do you arrange for the nighttime bus tour of the monuments?--sounds pretty!
MinnieBeth--did you walk at night to see all of the monuments or did you take the bus tour that Midge took? Lincoln is the one we can't wait to see!
tink's Pixieduster--thanks for the article!! Cool--I think we will do the one at Ford's theater that invistigates the assassination of Lincoln.
Golfgal--I think we decided to do the spy in the city tour at the Spy museum, but skip the museum. What was disappointing about the Amer. History Museum? Have you been since it's been refurbished? We have now added the Library of Congress on the must do list--Thanks, however, I don't see the Night at the Museum tour on their website....any ideas about that?
wdwmom2--The kids and I love that movie and would love to see this tour. We are stopping here on our way from Williamsburg to DC, thanks for the tip on getting there early!!
Monkeybug--will look into the Tourmobile. Is it like the Trolleys?
Mominwestlake--Cool idea on the Gargoyles! Would have never known to do this!! Am adding it to list

Did you go up in monument at night or at a different time as your tour? I heard you need tix--when did you secure those?
Christine--I've heard it's beautiful. I look forward to seeing it!
Tink888-Is there anything to do at Cemetery besides the Tomb of the unknown soldier? Just trying to allot time.
I'm getting excited now, when I was just overwhelmed!