Activities with girlfriend who has MS?

I have a wonderful girlfriend who I have been seeing for a few months now. She has MS and is visually impaired. I've found plenty of ideas in getting to know her (i.e. we've gone bowling, billiards, movies, dinners, shows, sports games), but could use a few more as time goes on. Her mobility is sometimes impaired, and thus getting around (i.e. outdoor activities, museums, zoo, anything with lots of stairs/walking) can be out some days. We are in Vegas and while seemingly there would be plenty to do, walking around a casino can take a lot out of her and so trying to find some ideas for those days when she can't do all the walking.
Activities with girlfriend who has MS?
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