I was going to suggest Utah also for the data the Mormons have been compiling.
She might like New York City to see Ellis Island where so many immigrants came into the US. You could look at EllisIsland.org. I’ve only looked at it to get my grandfather’s information regarding when he came to America, I don’t know what other information it has. While in NYC you can go to the museum of natural history’s planetarium.
You can get census data online. I think it is released after 75 years. I might be wrong about the 75, it might be more or less.
There are all sorts of beef ribs places across America, you should make this a secondary priority I think. Once you find places that interest you, then we will help you find ribs nearby.
You can visit the the Keneddy Space center in sunny, warm, Florida.
I think you are in BC right? I loved my Alaskan cruise. It’s not really pertaining to the things you mentioned, but I just thought I’d throw it out there. You could get a last minute cruise extremely cheap if there is still availability. It’s the end of the season probably.