In Georgia, I know of a several classes who have taken a lunch fieldtrip to Outback. Might sound a little strange, BUT they give you a tour of the kitchen facilities AND provide a FREE lunch for all of the students. While I wasn't able to fit in a trip this past year for my students with special needs, it would have been a great outing for practicing appropriate restaurant manners, ordering skills and daily living skills.
My understanding is that they aren't generally open for lunch and this is why they are able to provide this service. Just check your local Outback ahead of time to double check. :O)